Color

#fce159

#fce159
hex#fce159
rgbrgb(252, 225, 89)
hslhsl(50, 96%, 67%)
oklchoklch(0.908 0.154 98)
Closest name: Mustard Yellow (#ffdb58)Relative luminance 0.7527

Colors that go with #fce159

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 →

#5a75fc

#fc905a · #c6fc5a

#5afce1 · #e15afc

Split-complementary

Open in tool →

#5ac6fc · #905afc

#5afc90 · #5a75fc · #fc5ac6

Contrast

#fce159 as textRatioAAAA largeAAAFix
Aaon white
1.31:1failfailfail
  • AA: use #8c7503 as the text (4.51:1)
  • AAA: use #695802 as the text (7.01:1)
  • AA: or shift the background to #636363 (4.59:1)
  • AAA: or shift the background to #474747 (7.1:1)
Aaon black
16.05:1passpasspassPasses 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 #fce159 as the background.

Brands using this color

Fonts for this mood

#fce159 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fce159
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 #fce159 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fce159-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