# Theme surfaces — Unless design system

Surfaces

# Theme surfaces
  [Paper](/en/design/surfaces/theme/)[Cool](/en/design/surfaces/theme/cool/)[Navy](/en/design/surfaces/theme/navy/)[Tokens](/en/design/surfaces/theme/tokens/)
## Paper cool · `--bg-inset` · `#F4F6F9`

A tinted variant of paper, used as a rhythm breaker between two paper sections. Sits ~6 lightness units below the default; the einstein-hats whisper texture lives on this surface.

Section eyebrow

## Heading on cool

Tinted-section voice - used to break rhythm without going to navy.

Cool sits ≈6 lightness units below paper, so the surface registers as a tinted band without reading as a different background family.
        [Theme surfaces · Paper](/en/design/surfaces/theme/)     [Theme surfaces · Navy](/en/design/surfaces/theme/navy/)