Color

#ff5542

#ff5542
hex#ff5542
rgbrgb(255, 85, 66)
hslhsl(6, 100%, 63%)
oklchoklch(0.68 0.209 29.8)
Closest name: tomato (#ff6347)Relative luminance 0.2815

Tints & shades

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

Harmonies

Complementary

Open in tool →

#42ecff

#ff428e · #ffb442

#42ff55 · #5542ff

Split-complementary

Open in tool →

#42ffb4 · #428eff

#8eff42 · #42ecff · #b442ff

Contrast

#ff5542 as textRatioAAAA largeAAAFix
Aaon white
3.17:1failpassfail
  • AA: use #eb1700 as the text (4.51:1)
  • AAA: use #ad1100 as the text (7.35:1)
  • AA: or shift the background to #292929 (4.59:1)
Aaon black
6.63:1passpassfail
  • AAA: use #ff6352 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff5542 as the background.

Brands using this color

Fonts for this mood

#ff5542 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff5542
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 #ff5542 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff5542-c4a59c-62cba3-2d271f-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