Chalkboard
Open in tool →Slate green with chalk cream and a coral — nostalgic without being twee.
Color
#20251e
#20251e
hex
#20251ergb
rgb(32, 37, 30)hsl
hsl(103, 10%, 13%)oklch
oklch(0.257 0.015 136.7)Closest name: Underworld (#1e231c)Relative luminance 0.0172
Tints & shades
Harmonies
Contrast
| #20251e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.62:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.34:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #20251e as the background.
Brands using this color
- Cursortext · #26251e · Δ1.072
- Todoisttext · #25221e · Δ1.342
- Retoolprimary · #242424 · Δ1.515
- Airbnbtext · #222222 · Δ1.555
- Coheretext · #212121 · Δ1.735
- Postmantext · #212121 · Δ1.735
- Cloudflaretext · #262626 · Δ1.885
- Obsidiantext · #262626 · Δ1.885
- Sveltetext · #262626 · Δ1.885
- ClickUptext · #202020 · Δ1.99
Palettes built around it
Forest Floor
Open in tool →Moss and bark with a mushroom-cap amber — grounded and quiet, made for long-form nature content.
Crayon Box
Open in tool →Red, teal and yellow at crayon saturation — joyful, but on white with black type so it stays readable for grown-ups.
Retro Pop
Open in tool →Fifties-diner red and steel blue with a peach — nostalgic pop that still passes contrast.
Paper & Pine
Open in tool →Deep pine on paper-white with a marmalade accent — a quiet, sustainable-brand palette that isn't beige.
Fonts for this mood
#20251e reads as muted, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #20251e
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #20251e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/20251e-a6bea2-704edf-1f2d21-eff1e9?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md