Brand color
GitHub Danger
#cf222ergb(207, 34, 46)hsl(356, 72%, 47%)oklch(0.552 0.205 24.5)GitHub Danger on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the 9 public brands that use it and the palettes it appears in.
Colors that go with GitHub Danger
Charcoal, Royal Blue and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for GitHub Danger: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Royal Blue #4169e1
triadicshippedRoyal Blue completes a triad with GitHub Danger — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Steel Blue #4682b4
split-complementshippedSteel Blue is a split-complement of GitHub Danger: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Teal #008080
complementaryshippedTeal sits directly opposite GitHub Danger on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with GitHub Danger in 6 real palettes, including Maple and McDonald's's brand system, as the accent.
Blue #0000ff
shipped6 real palettes, including Tim Hortons's brand system and native Cybersecurity's brand system put Blue beside GitHub Danger, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with GitHub Danger: 5 real palettes, including Behance's brand system and Walgreens's brand system, as the supporting colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to GitHub Danger in 5 real palettes, including Farmers Market and Magazine Ochre, as the supporting colour.
Real palettes that use GitHub Danger
Tints & shades
Harmonies
Contrast
| GitHub Danger as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.36:1 | pass | pass | fail |
|
Aaon black | 3.92:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with GitHub Danger as the background.
Brands using this color
- GitHubdanger · #cf222e
- Coinbasedanger · #cf202f · Δ0.239
- Wiseaccent · #cb272f · Δ0.796
- Tim Hortonssecondary · #d0142c · Δ0.977
- Five Guyssecondary · #d21033 · Δ1.496
- Huaweiprimary · #cf0a2c · Δ1.522
- New Balancesecondary · #cf0a2c · Δ1.522
- Burberrysecondary · #d5151f · Δ1.551
- Wells Fargoprimary · #d71e28 · Δ1.611
Fonts for this mood
GitHub Danger reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #cf222e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/cf222e-c49e9c-62cb91-2d241f-f1e9ee?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