Color

#fb4e04

#fb4e04
hex#fb4e04
rgbrgb(251, 78, 4)
hslhsl(18, 97%, 50%)
oklchoklch(0.662 0.219 37.3)
Closest name: orangered (#ff4500)Relative luminance 0.2597

Tints & shades

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

Harmonies

Complementary

Open in tool →

#04b1fb

#fb0435 · #fbca04

#04fb4e · #4e04fb

Split-complementary

Open in tool →

#04fbca · #0435fb

#35fb04 · #04b1fb · #ca04fb

Contrast

#fb4e04 as textRatioAAAA largeAAAFix
Aaon white
3.39:1failpassfail
  • AA: use #d34203 as the text (4.62:1)
  • AAA: use #a13202 as the text (7.06:1)
  • AA: or shift the background to #242424 (4.58:1)
Aaon black
6.19:1passpassfail
  • AAA: use #fc6727 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fb4e04 as the background.

Brands using this color

Fonts for this mood

#fb4e04 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fb4e04
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 #fb4e04 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fb4e04-c4ad9c-62cbb8-2d291f-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