Color

#fdd31c

#fdd31c
hex#fdd31c
rgbrgb(253, 211, 28)
hslhsl(49, 98%, 55%)
oklchoklch(0.877 0.176 93.9)
Closest name: gold (#ffd700)Relative luminance 0.6756

Colors that go with #fdd31c

Charcoal, Cornflower Blue and Deep Sky Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c45fd

#fd631c · #b5fd1c

#1cfdd3 · #d31cfd

Split-complementary

Open in tool →

#1cb5fd · #631cfd

#1cfd63 · #1c45fd · #fd1cb5

Contrast

#fdd31c as textRatioAAAA largeAAAFix
Aaon white
1.45:1failfailfail
  • AA: use #8d7401 as the text (4.53:1)
  • AAA: use #6a5701 as the text (7.06:1)
  • AA: or shift the background to #5c5c5c (4.62:1)
  • AAA: or shift the background to #404040 (7.16:1)
Aaon black
14.51:1passpasspassPasses 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 #fdd31c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fdd31c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fdd31c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #fdd31c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fdd31c-c4c19c-4eaedf-2a2d1f-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