diff --git a/gfx/layers/AnimationInfo.cpp b/gfx/layers/AnimationInfo.cpp
index 1d330056bd7a4e89aac5e5296a3c164fb42b5c42..38bfbcfcaf0c791ee817aafbd24b1cad67974e62 100644
--- a/gfx/layers/AnimationInfo.cpp
+++ b/gfx/layers/AnimationInfo.cpp
@@ -14,6 +14,7 @@
 #include "mozilla/MotionPathUtils.h"
 #include "mozilla/PresShell.h"
 #include "mozilla/ScrollContainerFrame.h"
+#include "mozilla/nsZenBoostsBackend.h"
 #include "nsIContent.h"
 #include "nsLayoutUtils.h"
 #include "nsRefreshDriver.h"
@@ -343,7 +344,17 @@ static void SetAnimatable(NonCustomCSSPropertyId aProperty,
       // resolve currentColor at this moment.
       nscolor foreground =
           aFrame->Style()->GetVisitedDependentColor(&nsStyleText::mColor);
-      aAnimatable = aAnimationValue.GetColor(foreground);
+      nscolor resolved = aAnimationValue.GetColor(foreground);
+      // |foreground| is already boost-resolved through
+      // StyleAbsoluteColor::ToColor, so a currentColor keyframe is already
+      // filtered; only absolute keyframe colors still need the boost applied
+      // here, exactly once, so the composited transition endpoint matches the
+      // resting/static paint and doesn't snap when the transition ends.
+      aAnimatable =
+          aAnimationValue.IsCurrentColor()
+              ? resolved
+              : zen::nsZenBoostsBackend::FilterColorFromPresContext(
+                    resolved, aFrame->PresContext());
       break;
     }
     case eCSSProperty_opacity: