color
background-color
Applies background-color, or the full set of background properties when given an options object, of which only the given keys are set.
import { bg } from "@sdxc/u/color";Quick reference
Every documented call, beside the CSS it emits.
| Call | CSS |
|---|---|
u.bg() | css({ backgroundColor: "var(--ui-bg, Canvas)" }) |
u.bg("brand.tint") | css({ backgroundColor: "var(--ui-brand-bg-tint)" }) |
u.bg({ image: "url(/hero.jpg)", size: "cover", position: "center" }) | css({ backgroundImage: "url(/hero.jpg)", backgroundSize: "cover", backgroundPosition: "center" }) |
u.bg({ color: "brand.solid", clip: "content-box" }) | css({ backgroundColor: "var(--ui-brand-bg-solid)", backgroundClip: "content-box" }) |
Using a custom value
Every scale argument also takes a raw CSS value, which passes through untouched.
u.bg()Applying on a state
Wrap the call in a state utility to scope it to one selector.
u.hover(u.bg())Responsive design
Wrap the call in a container query to scope it to one width.
u.at("md", u.bg())Customizing the theme
The custom properties this utility reads, which a theme redefines.
| Variable |
|---|
--ui-bg |
--ui-brand-bg-solid |
--ui-brand-bg-tint |
Signature
u.bg(value?: ColorValue | (string & {}))