Color

#f55142

#f55142
hex#f55142
rgbrgb(245, 81, 66)
hslhsl(5, 90%, 61%)
oklchoklch(0.659 0.203 28.9)
Closest name: Angry Flamingo (#f04e45)Relative luminance 0.2569

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#42e6f5

#f5428d · #f5aa42

#42f551 · #5142f5

Split-complementary

Open in tool →

#42f5aa · #428df5

#8df542 · #42e6f5 · #aa42f5

Contrast

#f55142 as textRatioAAAA largeAAAFix
Aaon white
3.42:1failpassfail
  • AA: use #e91f0c as the text (4.5:1)
  • AAA: use #ae1709 as the text (7.18:1)
  • AA: or shift the background to #242424 (4.54:1)
Aaon black
6.14:1passpassfail
  • AAA: use #f6675a as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f55142 as the background.

Brands using this color

Fonts for this mood

#f55142 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f55142
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #f55142 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f55142-c4a49c-62cba1-2d261f-f1e9ec?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