Color

#fcde54

#fcde54
hex#fcde54
rgbrgb(252, 222, 84)
hslhsl(49, 97%, 66%)
oklchoklch(0.901 0.156 96.8)
Closest name: Mustard Yellow (#ffdb58)Relative luminance 0.7358

Colors that go with #fcde54

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 →

#5473fc

#fc8954 · #c7fc54

#54fcde · #de54fc

Split-complementary

Open in tool →

#54c7fc · #8954fc

#54fc89 · #5473fc · #fc54c7

Contrast

#fcde54 as textRatioAAAA largeAAAFix
Aaon white
1.34:1failfailfail
  • AA: use #8d7302 as the text (4.58:1)
  • AAA: use #695602 as the text (7.16:1)
  • AA: or shift the background to #616161 (4.63:1)
  • AAA: or shift the background to #454545 (7.18:1)
Aaon black
15.72:1passpasspassPasses 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 #fcde54 as the background.

Brands using this color

Fonts for this mood

#fcde54 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fcde54
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 #fcde54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fcde54-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