Color
#f00a0a
#f00a0argb(240, 10, 10)hsl(0, 92%, 49%)oklch(0.602 0.244 29)Colors that go with #f00a0a
Amber, Denim and Gold 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.
Denim #1560bd
shippedDenim is paired with #f00a0a in 4 real palettes, including Netflix's brand system and PlanetScale's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Gold #ffd700
shippedGold is paired with #f00a0a in 5 real palettes, including Tequila Sunrise and Tabloid, as the accent — a combination designers have actually shipped, not a computed rotation.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #f00a0a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Taupe #483c32
shippedTaupe is paired with #f00a0a in 4 real palettes, including Airbnb's brand system and Cloudflare's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Dark Cyan #008b8b
complementaryDark Cyan sits directly opposite #f00a0a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Steel Blue #4682b4
split-complementshippedSteel Blue is a split-complement of #f00a0a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #f00a0a: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Real palettes that use #f00a0a
Tints & shades
Harmonies
Contrast
| #f00a0a as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.42:1 | fail | pass | fail | |
Aaon black | 4.75:1 | pass | 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 #f00a0a as the background.
Brands using this color
Fonts for this mood
#f00a0a 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 #f00a0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/f00a0a-c4a19c-62cb98-2d251f-f1e9ed?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