Post

Gecko: Intent to Ship: alpha() relative color function

groups.google.comGecko: Intent to Ship: alpha() relative color functionGecko: Intent to Ship: alpha() relative color function

6/8/26, 12:07 pm3 reposts10 likes

fry69

@fry69.dev

6 Aug

See also ->

Firefox Nightly@firefoxnightly.bsky.social

Starting with Firefox 154, Firefox Nightly now supports the alpha() CSS function. This is a relative color function that can be used to modify just the alpha component of a given color. bugzilla.mozilla.org/2047437

bugzilla.mozilla.org2047437 - Implement alpha() function behind prefRESOLVED (sajidanwar94) in Core - CSS Parsing and Computation. Last updated 2026-07-26.