Halo.

A quiet, near-black substrate where information becomes the source of light. Three surface tiers, hairline geometry, and a single electric indigo for action.

10Core colors

9Type levels

5Radii

1pxHairline border

Palette · core 10 / 10

#0A0B0F

#14151C

#1E2029

#2A2D38

#F2F4F8

#5B6BFF

#2BE08C

#F5D547

#3DD7E5

#FF3A5C

Components · sample 5 / 28

Create Filter Cancel

Now 7d 30d

Enabled

v1.0 success caution live error

Typography Inter · JetBrains Mono

Aa. Display 36 / 600

Quiet substrate. Signal-led data. Body 12 / 400

--color-primary: #5B6BFF; Mono 11 / 500

Halo design system · Plain CSS · Semantic HTML · Lucide icons · ISC

stable v1.0.0 dark