Color

#f00c00

#f00c00
hex#f00c00
rgbrgb(240, 12, 0)
hslhsl(3, 100%, 47%)
oklchoklch(0.602 0.244 29.7)
Closest name: Alarm (#ec0003)Relative luminance 0.1879

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00e4f0

#f0006c · #f08400

#00f00c · #0c00f0

Split-complementary

Open in tool →

#00f084 · #006cf0

#6cf000 · #00e4f0 · #8400f0

Contrast

#f00c00 as textRatioAAAA largeAAAFix
Aaon white
4.41:1failpassfail
  • AA: use #eb0c00 as the text (4.58:1)
  • AAA: use #b30900 as the text (7.1:1)
  • AA: or shift the background to #080808 (4.54:1)
Aaon black
4.76:1passpassfail
  • 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 #f00c00 as the background.

Brands using this color

Fonts for this mood

#f00c00 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f00c00
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 #f00c00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f00c00-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