https://web.dev/state-of-css-2022/#accent-color
Sure it's a "nice to have" but it bloats the spec? Look at the current actual implementation:
https://web.dev/accent-color/#guaranteeing-contrast
chrome and firefox already tint differently...
How is this better than a good ol CSS variable and leaving it up to the designer to manage?
Sure http://dowebsitesneedtolookexactlythesameineverybrowser.com/ but when the exec is like "why is our brand color slightly different on ff vs. chrome... we are back to square one.