Color

#ffcf57

#ffcf57
hex#ffcf57
rgbrgb(255, 207, 87)
hslhsl(43, 100%, 67%)
oklchoklch(0.875 0.145 87)
Closest name: Angry Pasta (#ffcc55)Relative luminance 0.6657

Colors that go with #ffcf57

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.

Real palettes that use #ffcf57

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5786ff

#ff7b57 · #dbff57

#57ffcf · #cf57ff

Split-complementary

Open in tool →

#57dbff · #7b57ff

#57ff7b · #5786ff · #ff57db

Contrast

#ffcf57 as textRatioAAAA largeAAAFix
Aaon white
1.47:1failfailfail
  • AA: use #996e00 as the text (4.58:1)
  • AAA: use #705000 as the text (7.4:1)
  • AA: or shift the background to #5c5c5c (4.56:1)
  • AAA: or shift the background to #404040 (7.07:1)
Aaon black
14.31:1passpasspassPasses 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 #ffcf57 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ffcf57 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ffcf57
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 #ffcf57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ffcf57-c4bd9c-62b2cb-2b2d1f-f1ebe9?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