[css-forms] Dropped color-mix() colorspace argument from all UA styles for appearance: base #13496

Author: svgeesus

css-forms-1/Overview.bs

@@ -957,7 +957,7 @@ input[type="color"]:enabled:hover,
 input[type="button"]:enabled:hover,
 input[type="submit"]:enabled:hover,
 input[type="file"]:enabled::files-selector-button:hover {
-  background-color: color-mix(in lab, currentColor 10%, transparent);
+  background-color: color-mix(currentColor 10%, transparent);
 }
 
 button:enabled:active,
@@ -966,7 +966,7 @@ input[type="color"]:enabled:active,
 input[type="button"]:enabled:active,
 input[type="submit"]:enabled:active,
 input[type="file"]:enabled::files-selector-button:active {
-  background-color: color-mix(in lab, currentColor 20%, transparent);
+  background-color: color-mix(currentColor 20%, transparent);
 }
 
 button:disabled,
@@ -975,7 +975,7 @@ input[type="color"]:disabled,
 input[type="button"]:disabled,
 input[type="submit"]:disabled,
 input[type="file"]:disabled::files-selector-button {
-  color: color-mix(in srgb, currentColor 50%, transparent);
+  color: color-mix(currentColor 50%, transparent);
 }
 ```
 
@@ -1006,13 +1006,13 @@ select option {
   white-space: nowrap;
 }
 select option:enabled:hover {
-  background-color: color-mix(in lab, currentColor 10%, transparent);
+  background-color: color-mix(currentColor 10%, transparent);
 }
 select option:enabled:active {
-  background-color: color-mix(in lab, currentColor 20%, transparent);
+  background-color: color-mix(currentColor 20%, transparent);
 }
 select option:disabled {
-  color: color-mix(in lab, currentColor 50%, transparent);
+  color: color-mix(currentColor 50%, transparent);
 }
 select option::checkmark {
   content: '\2713' / '';