Color

#ff8742

#ff8742
hex#ff8742
rgbrgb(255, 135, 66)
hslhsl(22, 100%, 63%)
oklchoklch(0.746 0.167 47.9)
Closest name: coral (#ff7f50)Relative luminance 0.3898

Colors that go with #ff8742

Charcoal, Deep Sky Blue and Amber 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 →

#42baff

#ff425b · #ffe642

#42ff87 · #8742ff

Split-complementary

Open in tool →

#42ffe6 · #425bff

#5bff42 · #42baff · #e642ff

Contrast

#ff8742 as textRatioAAAA largeAAAFix
Aaon white
2.39:1failfailfail
  • AA: use #cc4b00 as the text (4.59:1)
  • AAA: use #993800 as the text (7.19:1)
  • AA: or shift the background to #3d3d3d (4.55:1)
  • AAA: or shift the background to #1c1c1c (7.14:1)
Aaon black
8.8:1passpasspassPasses 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 #ff8742 as the background.

Brands using this color

Fonts for this mood

#ff8742 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff8742
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 #ff8742 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff8742-c4af9c-62cbbf-2d2a1f-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