Color

#fbd204

#fbd204
hex#fbd204
rgbrgb(251, 210, 4)
hslhsl(50, 97%, 50%)
oklchoklch(0.873 0.179 94.6)
Closest name: gold (#ffd700)Relative luminance 0.6661

Tints & shades

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

Harmonies

Complementary

Open in tool →

#042dfb

#fb5604 · #a9fb04

#04fbd2 · #d204fb

Split-complementary

Open in tool →

#04a9fb · #5604fb

#04fb56 · #042dfb · #fb04a9

Contrast

#fbd204 as textRatioAAAA largeAAAFix
Aaon white
1.47:1failfailfail
  • AA: use #887102 as the text (4.76:1)
  • AAA: use #695802 as the text (7.01:1)
  • AA: or shift the background to #5c5c5c (4.56:1)
  • AAA: or shift the background to #404040 (7.07:1)
Aaon black
14.32:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fbd204 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fbd204 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fbd204
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 #fbd204 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fbd204-c4c29c-4eacdf-292d1f-f1ece9?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