[css-color-4][editorial] wpt

Author: svgeesus

Diff for: css-color-4/Overview.bs

@@ -7143,10 +7143,14 @@ parsing/color-computed-relative-color.html
 parsing/color-invalid-relative-color.html
 parsing/color-valid-relative-color.html
 parsing/relative-color-out-of-gamut.html
+/css/css-color/color-mix-missing-components.html
 
 color-layers-no-blend-mode.html
 parsing/color-invalid-color-layers-function.html
 parsing/color-valid-color-layers-function.html
+parsing/color-computed-contrast-color-function.html
+parsing/color-invalid-contrast-color-function.html
+parsing/color-valid-contrast-color-function.html
 </wpt>
 
 <!--