Color

#ed180c

#ed180c
hex#ed180c
rgbrgb(237, 24, 12)
hslhsl(3, 90%, 49%)
oklchoklch(0.6 0.238 29.5)
Closest name: Alarm (#ec0003)Relative luminance 0.1868

Colors that go with #ed180c

Charcoal, Royal Blue and Sea Green 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.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#0ce2ed

#ed0c72 · #ed880c

#0ced18 · #180ced

Split-complementary

Open in tool →

#0ced88 · #0c72ed

#72ed0c · #0ce2ed · #880ced

Contrast

#ed180c as textRatioAAAA largeAAAFix
Aaon white
4.43:1failpassfail
  • AA: use #e9170c as the text (4.57:1)
  • AAA: use #ae1109 as the text (7.28:1)
  • AA: or shift the background to #080808 (4.52:1)
Aaon black
4.74:1passpassfail
  • AAA: use #f7675f as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ed180c as the background.

Brands using this color

Fonts for this mood

#ed180c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ed180c
live endpoint

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.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #ed180c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ed180c-c4a39c-62cb9d-2d261f-f1e9ed?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md