Color

#fcde5a

#fcde5a
hex#fcde5a
rgbrgb(252, 222, 90)
hslhsl(49, 96%, 67%)
oklchoklch(0.902 0.152 96.4)
Closest name: Mustard Yellow (#ffdb58)Relative luminance 0.7368

Colors that go with #fcde5a

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 →

#5a78fc

#fc8d5a · #c8fc5a

#5afcde · #de5afc

Split-complementary

Open in tool →

#5ac8fc · #8d5afc

#5afc8d · #5a78fc · #fc5ac8

Contrast

#fcde5a as textRatioAAAA largeAAAFix
Aaon white
1.33:1failfailfail
  • AA: use #8c7303 as the text (4.6:1)
  • AAA: use #695602 as the text (7.16:1)
  • AA: or shift the background to #636363 (4.5:1)
  • AAA: or shift the background to #454545 (7.18:1)
Aaon black
15.74:1passpasspassPasses 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 #fcde5a as the background.

Brands using this color

Fonts for this mood

#fcde5a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fcde5a
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 #fcde5a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fcde5a-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