Color

#f55751

#f55751
hex#f55751
rgbrgb(245, 87, 81)
hslhsl(2, 89%, 64%)
oklchoklch(0.668 0.195 26)
Closest name: Amour (#ee5851)Relative luminance 0.2682

Colors that go with #f55751

Cadet Blue, Charcoal 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 →

#51eff5

#f5519e · #f5a951

#51f557 · #5751f5

Split-complementary

Open in tool →

#51f5a9 · #519ef5

#9ef551 · #51eff5 · #a951f5

Contrast

#f55751 as textRatioAAAA largeAAAFix
Aaon white
3.3:1failpassfail
  • AA: use #e7150d as the text (4.66:1)
  • AAA: use #b2100a as the text (7.07:1)
  • AA: or shift the background to #262626 (4.59:1)
Aaon black
6.36:1passpassfail
  • AAA: use #f66a65 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f55751 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#f55751 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f55751
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 #f55751 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f55751-c4a29c-62cb9c-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