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Fix the old, deprecated parseCSSColorObject function to return 0-255

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Jeremy Ruston
2026-07-18 11:57:45 +01:00
parent 3862082f64
commit 35ede09e0f
1 changed files with 8 additions and 1 deletions
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core/modules/utils/dom/color-utils.js
+8 -1
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@@ -18,7 +18,14 @@ exports.parseCSSColor = function(colourString) {
var c = exports.parseCSSColorObject(colourString);
if(c) {
var rgb = c.srgb;
return [rgb[0],rgb[1],rgb[2],c.alpha];
// Return components in the 0-255 range, matching the legacy csscolorparser.
// Clamp because Color.js can emit out-of-gamut sRGB components (e.g. from P3 inputs).
return [
Math.round(Math.max(0,Math.min(255,rgb[0] * 255))),
Math.round(Math.max(0,Math.min(255,rgb[1] * 255))),
Math.round(Math.max(0,Math.min(255,rgb[2] * 255))),
c.alpha
];
} else {
return null;
}