Slate Handbook color palette
Slate Handbook is a 4-color palette drawing on neutrals, teals and cyans and oranges. In OKLCH its lightness runs from 28% (#1F2933, dark) to 98% (#F5F7FA, very light), and its most saturated color, #F0B429, is vivid. Its chromatic colors split evenly between the warm and cool sides of the hue wheel. 3 of its 6 color pairs reach the WCAG AA ratio of 4.5:1 for body text. It is tagged corporate, muted, yellow, teal and colorblind-friendly.
- Jet #1F2933
- Teal #0E7C86
- Maximum Yellow Red #F0B429
- Cultured #F5F7FA
Color codes
| Color | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|
| Jet | #1F2933 | rgb(31, 41, 51) | hsl(210, 24%, 16%) | oklch(27.6% 0.023 248.7) |
| Teal | #0E7C86 | rgb(14, 124, 134) | hsl(185, 81%, 29%) | oklch(53.6% 0.089 205) |
| Maximum Yellow Red | #F0B429 | rgb(240, 180, 41) | hsl(42, 87%, 55%) | oklch(80.4% 0.156 82.5) |
| Cultured | #F5F7FA | rgb(245, 247, 250) | hsl(216, 33%, 97%) | oklch(97.5% 0.005 258.3) |
Accessibility
The best text and background pairs in Slate Handbook, by WCAG 2 contrast ratio, with the APCA lightness contrast (Lc) of the text on its background.
| Pair | WCAG 2 | Level | APCA Lc |
|---|---|---|---|
| #F5F7FA on #1F2933 | 13.75:1 | AAA | Lc -99.0 |
| #1F2933 on #F0B429 | 7.92:1 | AAA | Lc 64.5 |
| #F5F7FA on #0E7C86 | 4.61:1 | AA | Lc -73.8 |
Color vision
No pair of colors comes within ΔE 0.06 of another under protanopia, deuteranopia, tritanopia or achromatopsia. It is tagged colorblind-friendly: every pair stays at least ΔE 0.14 apart.
Protanopia
Deuteranopia
Tritanopia
Achromatopsia
Use it in code
Install these colors as Tailwind CSS v4 theme colors with shadcn: npx shadcn@latest add https://getcolors.so/r/palette/1f2933-0e7c86-f0b429-f5f7fa.json.
Make it your own
Edit the colors, build a full light and dark color system from them, or see them on real UI.