add color-mix() to colorFunctionRegex

Author: dcastil

src/lib/validators.ts

@@ -4,7 +4,7 @@ const fractionRegex = /^\d+\/\d+$/
 const tshirtUnitRegex = /^(\d+(\.\d+)?)?(xs|sm|md|lg|xl)$/
 const lengthUnitRegex =
     /\d+(%|px|r?em|[sdl]?v([hwib]|min|max)|pt|pc|in|cm|mm|cap|ch|ex|r?lh|cq(w|h|i|b|min|max))|\b(calc|min|max|clamp)\(.+\)|^0$/
-const colorFunctionRegex = /^(rgba?|hsla?|hwb|(ok)?(lab|lch))\(.+\)$/
+const colorFunctionRegex = /^(rgba?|hsla?|hwb|(ok)?(lab|lch)|color-mix)\(.+\)$/
 // Shadow always begins with x and y offset separated by underscore optionally prepended by inset
 const shadowRegex = /^(inset_)?-?((\d+)?\.?(\d+)[a-z]+|0)_-?((\d+)?\.?(\d+)[a-z]+|0)/
 const imageRegex =