Color

#f55451

#f55451
hex#f55451
rgbrgb(245, 84, 81)
hslhsl(1, 89%, 64%)
oklchoklch(0.665 0.198 25.2)
Closest name: Amour (#ee5851)Relative luminance 0.2635

Colors that go with #f55451

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 →

#51f2f5

#f551a0 · #f5a651

#51f554 · #5451f5

Split-complementary

Open in tool →

#51f5a6 · #51a0f5

#a0f551 · #51f2f5 · #a651f5

Contrast

#f55451 as textRatioAAAA largeAAAFix
Aaon white
3.35:1failpassfail
  • AA: use #ec110e as the text (4.51:1)
  • AAA: use #b20d0a as the text (7.11:1)
  • AA: or shift the background to #262626 (4.52:1)
Aaon black
6.27:1passpassfail
  • AAA: use #f66765 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f55451 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

#f55451 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f55451
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 #f55451 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f55451-c4a19c-62cb9a-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