Reads the CSS colors the server meets: a dumped page's theme-color, which
the generic link preview keeps as its tint (normalizeCssColor), and the
theme stylesheets' tokens, which the emails resolve (theme-tokens.ts).
f
hexOf(unnamed 0: Rgba): string
Writes color as a lowercase #rrggbb, its alpha dropped.
f
parseCssColor(text: string): Rgba | undefined
Returns the color text writes as a hex (3, 4, 6 or 8 digits), an rgb()
or rgba() of numbers or percentages, or one of the common names; undefined
for any other form. Channels out of range are clamped.
Usage
import * as mod from "api/lib/css-color.ts";