Color

#ff5a52

#ff5a52
hex#ff5a52
rgbrgb(255, 90, 82)
hslhsl(3, 100%, 66%)
oklchoklch(0.687 0.202 26.6)
Closest name: tomato (#ff6347)Relative luminance 0.2918

Tints & shades

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

Harmonies

Complementary

Open in tool →

#52f6ff

#ff52a0 · #ffb152

#52ff5a · #5a52ff

Split-complementary

Open in tool →

#52ffb1 · #52a0ff

#a0ff52 · #52f6ff · #b152ff

Contrast

#ff5a52 as textRatioAAAA largeAAAFix
Aaon white
3.07:1failpassfail
  • AA: use #eb0c00 as the text (4.58:1)
  • AAA: use #b30900 as the text (7.1:1)
  • AA: or shift the background to #2b2b2b (4.61:1)
Aaon black
6.84:1passpassfail
  • AAA: use #ff5f57 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff5a52 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ff5a52 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff5a52
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 #ff5a52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff5a52-c4a39c-62cb9d-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