Color
#ef2d0b
#ef2d0brgb(239, 45, 11)hsl(9, 91%, 49%)oklch(0.614 0.23 31.6)Colors that go with #ef2d0b
Charcoal, Amber 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.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #ef2d0b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Gold #ffd700
shippedGold is paired with #ef2d0b in 6 real palettes, including Paddle's brand system and Streetwear, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Mustard Yellow #ffdb58
shippedMustard Yellow is paired with #ef2d0b in 4 real palettes, including Diner and Crayon Box, as the accent — a combination designers have actually shipped, not a computed rotation.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #ef2d0b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Slate Gray #708090
shippedSlate Gray is paired with #ef2d0b in 4 real palettes, including Gallery and Noir Beauty, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #ef2d0b in 10 real palettes, including Todoist's brand system and Cursor's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Teal #008080
shippedTeal is paired with #ef2d0b in 4 real palettes, including Gemstone and Alpine, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #ef2d0b
Tints & shades
Harmonies
Contrast
| #ef2d0b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.16:1 | fail | pass | fail | |
Aaon black | 5.05:1 | 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 #ef2d0b 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
#ef2d0b 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 #ef2d0b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/ef2d0b-c4a79c-62cba8-2d271f-f1e9ec?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