Support is needed for new CSS4 system color keywords: https://drafts.csswg.org/css-color-4/#css-system-colors New keywords include: - ActiveText - Canvas - Field - FieldText - LinkText - Text - VisitedText
As an FYI, Text has recently been renamed to CanvasText: https://github.com/w3c/csswg-drafts/issues/4465#issuecomment-547994485