Color

#fb5513

#fb5513
hex#fb5513
rgbrgb(251, 85, 19)
hslhsl(17, 97%, 53%)
oklchoklch(0.67 0.212 38)
Closest name: orangered (#ff4500)Relative luminance 0.2705

Tints & shades

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

Harmonies

Complementary

Open in tool →

#13bafb

#fb1345 · #fbc913

#13fb55 · #5513fb

Split-complementary

Open in tool →

#13fbc9 · #1345fb

#45fb13 · #13bafb · #c913fb

Contrast

#fb5513 as textRatioAAAA largeAAAFix
Aaon white
3.28:1failpassfail
  • AA: use #d84003 as the text (4.51:1)
  • AAA: use #a12f02 as the text (7.18:1)
  • AA: or shift the background to #262626 (4.62:1)
Aaon black
6.41:1passpassfail
  • AAA: use #fc672c as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fb5513 as the background.

Brands using this color

Fonts for this mood

#fb5513 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fb5513
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 #fb5513 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fb5513-c4ac9c-62cbb6-2d291f-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