Color

#fffc00

#fffc00
hex#fffc00
rgbrgb(255, 252, 0)
hslhsl(59, 100%, 50%)
oklchoklch(0.962 0.208 108.9)
Closest name: Banana King (#fffb08)Relative luminance 0.9088

Colors that go with #fffc00

Lilac, Blue and Taupe 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 →

#0004ff

#ff7b00 · #84ff00

#00fffb · #fb00ff

Split-complementary

Open in tool →

#0084ff · #7b00ff

#00ff7b · #0004ff · #ff0084

Contrast

#fffc00 as textRatioAAAA largeAAAFix
Aaon white
1.1:1failfailfail
  • AA: use #7a7800 as the text (4.65:1)
  • AAA: use #5c5a00 as the text (7.2:1)
  • AA: or shift the background to #707070 (4.52:1)
  • AAA: or shift the background to #525252 (7.14:1)
Aaon black
19.18:1passpasspassPasses 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 #fffc00 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fffc00 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fffc00
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 #fffc00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fffc00-bbbea2-4e96df-272d1f-f1ede9?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