Color

#fb3e04

#fb3e04
hex#fb3e04
rgbrgb(251, 62, 4)
hslhsl(14, 97%, 50%)
oklchoklch(0.648 0.23 34.2)
Closest name: orangered (#ff4500)Relative luminance 0.2396

Tints & shades

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

Harmonies

Complementary

Open in tool →

#04c1fb

#fb0446 · #fbb904

#04fb3e · #3e04fb

Split-complementary

Open in tool →

#04fbb9 · #0446fb

#46fb04 · #04c1fb · #b904fb

Contrast

#fb3e04 as textRatioAAAA largeAAAFix
Aaon white
3.63:1failpassfail
  • AA: use #dd3603 as the text (4.56:1)
  • AAA: use #a62903 as the text (7.14:1)
  • AA: or shift the background to #1f1f1f (4.55:1)
Aaon black
5.79:1passpassfail
  • AAA: use #fc6436 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fb3e04 as the background.

Brands using this color

Fonts for this mood

#fb3e04 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fb3e04
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 #fb3e04 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fb3e04-c4aa9c-62cbb1-2d291f-f1e9eb?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