Color
#ca5121
#ca5121rgb(202, 81, 33)hsl(17, 72%, 46%)oklch(0.588 0.165 39.9)Colors that go with #ca5121
Charcoal, Sea Green 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 #ca5121: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #ca5121 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Steel Blue #4682b4
complementaryshippedSteel Blue sits directly opposite #ca5121 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 #ca5121 in 5 real palettes, including Trailhead and Ember, as the accent.
Blue #0000ff
shipped9 real palettes, including Doordash's brand system and Tim Hortons's brand system put Blue beside #ca5121, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #ca5121: 4 real palettes, including Clean Beauty and Diner, as the lead colour.
Champagne #f7e7ce
shipped4 real palettes, including BrandSweets's brand system and LG's brand system put Champagne beside #ca5121.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #ca5121 in 5 real palettes, including Farmers Market and Magazine Ochre, as the supporting colour.
Real palettes that use #ca5121
Tints & shades
Harmonies
Contrast
| #ca5121 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.46:1 | fail | pass | fail | |
Aaon black | 4.71:1 | 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 #ca5121 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#ca5121 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 #ca5121 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/ca5121-c4ac9c-62cbb6-2d291f-f1e9eb?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