Color

#ff5f42

#ff5f42
hex#ff5f42
rgbrgb(255, 95, 66)
hslhsl(9, 100%, 63%)
oklchoklch(0.691 0.2 32.5)
Closest name: tomato (#ff6347)Relative luminance 0.2984

Tints & shades

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

Harmonies

Complementary

Open in tool →

#42e3ff

#ff4284 · #ffbd42

#42ff5f · #5f42ff

Split-complementary

Open in tool →

#42ffbd · #4284ff

#84ff42 · #42e3ff · #bd42ff

Contrast

#ff5f42 as textRatioAAAA largeAAAFix
Aaon white
3.01:1failpassfail
  • AA: use #e62200 as the text (4.57:1)
  • AAA: use #ad1a00 as the text (7.18:1)
  • AA: or shift the background to #2e2e2e (4.51:1)
Aaon black
6.97:1passpassfail
  • AAA: use #ff6347 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff5f42 as the background.

Brands using this color

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

Fonts for this mood

#ff5f42 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff5f42
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 #ff5f42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff5f42-c4a79c-62cba8-2d271f-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