# Pastebin mO4ENSCC
<color-role> = background | foreground
<contrast-algorithm> = auto | wcag | lstar | apca | weber | michelson
<contrast-target> = auto | max | more | less | <custom-contrast-target>
<custom-contrast-target> = wcag21 ratio | APCA ratio | Lstar ratio | Weber ratio | Michelson ratio | <percentage>]