I find the "Usage relative" and "Date relative" tabs on caniuse.com to be very useful for this: https://caniuse.com/?search=color-mix https://caniuse.com/?searc

I find the "Usage relative" and "Date relative" tabs on caniuse.com to be very useful for this: https://caniuse.com/?search=color-mix https://caniuse.com/?search=color-mix