Color

#f18737

#f18737
hex#f18737
rgbrgb(241, 135, 55)
hslhsl(26, 87%, 58%)
oklchoklch(0.726 0.158 53.6)
Closest name: À l’Orange (#f2850d)Relative luminance 0.363

Colors that go with #f18737

Charcoal, Cornflower Blue and Deep Sky 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 →

#37a0f1

#f13743 · #f1e537

#37f187 · #8737f1

Split-complementary

Open in tool →

#37f1e5 · #3743f1

#43f137 · #37a0f1 · #e537f1

Contrast

#f18737 as textRatioAAAA largeAAAFix
Aaon white
2.54:1failfailfail
  • AA: use #ba580d as the text (4.68:1)
  • AAA: use #8f440a as the text (7:1)
  • AA: or shift the background to #383838 (4.61:1)
  • AAA: or shift the background to #171717 (7.05:1)
Aaon black
8.26:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f18737 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#f18737 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f18737
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 #f18737 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f18737-c4b29c-62cbc5-2d2b1f-f1e9ea?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