[css-color-4] Correct sRGB (and display-p3) transfer function, #9467

Author: svgeesus

css-color-4/Overview.bs

@@ -3747,7 +3747,7 @@ The Predefined sRGB Color Space: the ''sRGB'' keyword</h3>
 			let sign = c < 0? -1 : 1;
 			let abs = Math.abs(c);
 
-			if (abs < 0.04045) {
+			if (abs <= 0.04045) {
 				cl = c / 12.92;
 			}
 			else {

css-color-4/conversions.js

@@ -20,7 +20,7 @@ function lin_sRGB(RGB) {
 		let sign = val < 0? -1 : 1;
 		let abs = Math.abs(val);
 
-		if (abs < 0.04045) {
+		if (abs <= 0.04045) {
 			return val / 12.92;
 		}