Color

#e75a18

#e75a18
hex#e75a18
rgbrgb(231, 90, 24)
hslhsl(19, 81%, 50%)
oklchoklch(0.644 0.188 41)
Closest name: Baptism by Fire (#e6490b)Relative luminance 0.2437

Colors that go with #e75a18

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 →

#18a5e7

#e7183e · #e7c118

#18e75a · #5a18e7

Split-complementary

Open in tool →

#18e7c1 · #183ee7

#3ee718 · #18a5e7 · #c118e7

Contrast

#e75a18 as textRatioAAAA largeAAAFix
Aaon white
3.58:1failpassfail
  • AA: use #c64d15 as the text (4.69:1)
  • AAA: use #983b10 as the text (7.08:1)
  • AA: or shift the background to #212121 (4.5:1)
Aaon black
5.87:1passpassfail
  • AAA: use #eb743d as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e75a18 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#e75a18 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e75a18
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 #e75a18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e75a18-c4ad9c-62cbb9-2d2a1f-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