Color

#f52d00

#f52d00
hex#f52d00
rgbrgb(245, 45, 0)
hslhsl(11, 100%, 48%)
oklchoklch(0.625 0.236 32.2)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.2129

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00c8f5

#f5004e · #f5a700

#00f52d · #2d00f5

Split-complementary

Open in tool →

#00f5a7 · #004ef5

#4ef500 · #00c8f5 · #a700f5

Contrast

#f52d00 as textRatioAAAA largeAAAFix
Aaon white
3.99:1failpassfail
  • AA: use #e02900 as the text (4.68:1)
  • AAA: use #ad2000 as the text (7.04:1)
  • AA: or shift the background to #141414 (4.61:1)
Aaon black
5.26:1passpassfail
  • AAA: use #ff613d 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 #f52d00 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

#f52d00 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f52d00
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 #f52d00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f52d00-c4a89c-62cbab-2d281f-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