diff --git a/src/terminal/osc.zig b/src/terminal/osc.zig
index 21f5b0dfd..997db0350 100644
--- a/src/terminal/osc.zig
+++ b/src/terminal/osc.zig
@@ -2129,748 +2129,6 @@ test "OSC: longer than buffer" {
     try testing.expect(p.complete == false);
 }
 
-test "OSC: OSC10: report foreground color" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "10;?";
-    for (input) |ch| p.next(ch);
-
-    // This corresponds to ST = ESC followed by \
-    const cmd = p.end('\x1b').?;
-
-    try testing.expect(cmd == .color_operation);
-    try testing.expectEqual(cmd.color_operation.terminator, .st);
-    try testing.expect(cmd.color_operation.source == .get_set_foreground);
-    try testing.expect(cmd.color_operation.operations.count() == 1);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind.foreground,
-            op.report,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC10: set foreground color" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "10;rgbi:0.0/0.5/1.0";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x07').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expectEqual(cmd.color_operation.terminator, .bel);
-    try testing.expect(cmd.color_operation.source == .get_set_foreground);
-    try testing.expect(cmd.color_operation.operations.count() == 1);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .set);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind.foreground,
-            op.set.kind,
-        );
-        try testing.expectEqual(
-            RGB{ .r = 0x00, .g = 0x7f, .b = 0xff },
-            op.set.color,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC11: report background color" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "11;?";
-    for (input) |ch| p.next(ch);
-
-    // This corresponds to ST = BEL character
-    const cmd = p.end('\x07').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expectEqual(cmd.color_operation.terminator, .bel);
-    try testing.expect(cmd.color_operation.source == .get_set_background);
-    try testing.expect(cmd.color_operation.operations.count() == 1);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind.background,
-            op.report,
-        );
-    }
-    try testing.expectEqual(cmd.color_operation.terminator, .bel);
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC11: set background color" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "11;rgb:f/ff/ffff";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expectEqual(cmd.color_operation.terminator, .st);
-    try testing.expect(cmd.color_operation.source == .get_set_background);
-    try testing.expect(cmd.color_operation.operations.count() == 1);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .set);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind.background,
-            op.set.kind,
-        );
-        try testing.expectEqual(
-            RGB{ .r = 0xff, .g = 0xff, .b = 0xff },
-            op.set.color,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC12: report cursor color" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "12;?";
-    for (input) |ch| p.next(ch);
-
-    // This corresponds to ST = BEL character
-    const cmd = p.end('\x07').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expectEqual(cmd.color_operation.terminator, .bel);
-    try testing.expect(cmd.color_operation.source == .get_set_cursor);
-    try testing.expect(cmd.color_operation.operations.count() == 1);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind.cursor,
-            op.report,
-        );
-    }
-    try testing.expectEqual(cmd.color_operation.terminator, .bel);
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC12: set cursor color" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "12;rgb:f/ff/ffff";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expectEqual(cmd.color_operation.terminator, .st);
-    try testing.expect(cmd.color_operation.source == .get_set_cursor);
-    try testing.expect(cmd.color_operation.operations.count() == 1);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .set);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind.cursor,
-            op.set.kind,
-        );
-        try testing.expectEqual(
-            RGB{ .r = 0xff, .g = 0xff, .b = 0xff },
-            op.set.color,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC4: get palette color 1" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "4;1;?";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .get_set_palette);
-    try testing.expect(cmd.color_operation.operations.count() == 1);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 1 },
-            op.report,
-        );
-        try testing.expectEqual(cmd.color_operation.terminator, .st);
-    }
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC4: get palette color 2" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "4;1;?;2;?";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .get_set_palette);
-    try testing.expect(cmd.color_operation.operations.count() == 2);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 1 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 2 },
-            op.report,
-        );
-    }
-    try testing.expectEqual(cmd.color_operation.terminator, .st);
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC4: set palette color 1" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "4;17;rgb:aa/bb/cc";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .get_set_palette);
-    try testing.expect(cmd.color_operation.operations.count() == 1);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .set);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 17 },
-            op.set.kind,
-        );
-        try testing.expectEqual(
-            RGB{ .r = 0xaa, .g = 0xbb, .b = 0xcc },
-            op.set.color,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC4: set palette color 2" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "4;17;rgb:aa/bb/cc;1;rgb:00/11/22";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .get_set_palette);
-    try testing.expect(cmd.color_operation.operations.count() == 2);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .set);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 17 },
-            op.set.kind,
-        );
-        try testing.expectEqual(
-            RGB{ .r = 0xaa, .g = 0xbb, .b = 0xcc },
-            op.set.color,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .set);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 1 },
-            op.set.kind,
-        );
-        try testing.expectEqual(
-            RGB{ .r = 0x00, .g = 0x11, .b = 0x22 },
-            op.set.color,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC4: get with invalid index 1" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "4;1111;?;1;?";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .get_set_palette);
-    try testing.expect(cmd.color_operation.operations.count() == 1);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 1 },
-            op.report,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC4: get with invalid index 2" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "4;5;?;1111;?;1;?";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .get_set_palette);
-    try testing.expect(cmd.color_operation.operations.count() == 2);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 5 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 1 },
-            op.report,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-// Inspired by Microsoft Edit
-test "OSC: OSC4: multiple get 8a" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "4;0;?;1;?;2;?;3;?;4;?;5;?;6;?;7;?";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .get_set_palette);
-    try testing.expect(cmd.color_operation.operations.count() == 8);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 0 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 1 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 2 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 3 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 4 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 5 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 6 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 7 },
-            op.report,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-// Inspired by Microsoft Edit
-test "OSC: OSC4: multiple get 8b" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "4;8;?;9;?;10;?;11;?;12;?;13;?;14;?;15;?";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .get_set_palette);
-    try testing.expect(cmd.color_operation.operations.count() == 8);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 8 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 9 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 10 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 11 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 12 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 13 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 14 },
-            op.report,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 15 },
-            op.report,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC4: set with invalid index" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "4;256;#ffffff;1;#aabbcc";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .get_set_palette);
-    try testing.expect(cmd.color_operation.operations.count() == 1);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .set);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 1 },
-            op.set.kind,
-        );
-        try testing.expectEqual(
-            RGB{ .r = 0xaa, .g = 0xbb, .b = 0xcc },
-            op.set.color,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC4: mix get/set palette color" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "4;17;rgb:aa/bb/cc;254;?";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .get_set_palette);
-    try testing.expect(cmd.color_operation.operations.count() == 2);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .set);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 17 },
-            op.set.kind,
-        );
-        try testing.expectEqual(
-            RGB{ .r = 0xaa, .g = 0xbb, .b = 0xcc },
-            op.set.color,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 254 },
-            op.report,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC4: incomplete color/spec 1" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "4;17";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .get_set_palette);
-    try testing.expect(cmd.color_operation.operations.count() == 0);
-    var it = cmd.color_operation.operations.constIterator(0);
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC4: incomplete color/spec 2" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "4;17;?;42";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .get_set_palette);
-    try testing.expect(cmd.color_operation.operations.count() == 1);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .report);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 17 },
-            op.report,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC104: reset palette color 1" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "104;17";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .reset_palette);
-    try testing.expect(cmd.color_operation.operations.count() == 1);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .reset);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 17 },
-            op.reset,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC104: reset palette color 2" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "104;17;111";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .reset_palette);
-    try testing.expectEqual(2, cmd.color_operation.operations.count());
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .reset);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 17 },
-            op.reset,
-        );
-    }
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .reset);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 111 },
-            op.reset,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC104: invalid palette index" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "104;ffff;111";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .reset_palette);
-    try testing.expect(cmd.color_operation.operations.count() == 1);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .reset);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 111 },
-            op.reset,
-        );
-    }
-    try testing.expect(it.next() == null);
-}
-
-test "OSC: OSC104: empty palette index" {
-    const testing = std.testing;
-
-    var p: Parser = .initAlloc(testing.allocator);
-    defer p.deinit();
-
-    const input = "104;;111";
-    for (input) |ch| p.next(ch);
-
-    const cmd = p.end('\x1b').?;
-    try testing.expect(cmd == .color_operation);
-    try testing.expect(cmd.color_operation.source == .reset_palette);
-    try testing.expect(cmd.color_operation.operations.count() == 1);
-    var it = cmd.color_operation.operations.constIterator(0);
-    {
-        const op = it.next().?;
-        try testing.expect(op.* == .reset);
-        try testing.expectEqual(
-            Command.ColorOperation.Kind{ .palette = 111 },
-            op.reset,
-        );
-    }
-    try std.testing.expect(it.next() == null);
-}
-
 test "OSC: OSC 9;1 ConEmu sleep" {
     const testing = std.testing;
 
diff --git a/src/terminal/osc/color.zig b/src/terminal/osc/color.zig
index 909406079..3c39addd0 100644
--- a/src/terminal/osc/color.zig
+++ b/src/terminal/osc/color.zig
@@ -162,6 +162,9 @@ fn parseResetAnsiColor(
             return result;
         };
 
+        // Empty color strings are ignored, not treated as an error.
+        if (color_str.len == 0) continue;
+
         // Color must be numeric. u9 because that'll fit our palette + special
         const color: u9 = std.fmt.parseInt(
             u9,
@@ -532,6 +535,23 @@ test "osc104" {
     }
 }
 
+test "osc104 empty index" {
+    const testing = std.testing;
+    const alloc = testing.allocator;
+
+    var list = try parse(alloc, .osc_104, "0;;1");
+    defer list.deinit(alloc);
+    try testing.expectEqual(2, list.count());
+    try testing.expectEqual(
+        Request{ .reset = .{ .palette = 0 } },
+        list.at(0).*,
+    );
+    try testing.expectEqual(
+        Request{ .reset = .{ .palette = 1 } },
+        list.at(1).*,
+    );
+}
+
 test "osc104 reset all" {
     const testing = std.testing;
     const alloc = testing.allocator;