Color

#ec5818

#ec5818
hex#ec5818
rgbrgb(236, 88, 24)
hslhsl(18, 85%, 51%)
oklchoklch(0.65 0.195 39.8)
Closest name: Basketball (#ee6730)Relative luminance 0.2488

Colors that go with #ec5818

Cadet Blue, Charcoal and Dodger 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#18adec

#ec1842 · #ecc218

#18ec58 · #5818ec

Split-complementary

Open in tool →

#18ecc2 · #1842ec

#42ec18 · #18adec · #c218ec

Contrast

#ec5818 as textRatioAAAA largeAAAFix
Aaon white
3.51:1failpassfail
  • AA: use #cb4810 as the text (4.69:1)
  • AAA: use #9c380d as the text (7.04:1)
  • AA: or shift the background to #212121 (4.58:1)
Aaon black
5.98:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ec5818 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ec5818 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ec5818
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 #ec5818 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ec5818-c4ad9c-62cbb8-2d291f-f1e9eb?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