Color

#fcc603

#fcc603
hex#fcc603
rgbrgb(252, 198, 3)
hslhsl(47, 98%, 50%)
oklchoklch(0.851 0.173 88.6)
Closest name: Amber (#ffbf00)Relative luminance 0.6109

Colors that go with #fcc603

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 →

#0339fc

#fc4903 · #b6fc03

#03fcc6 · #c603fc

Split-complementary

Open in tool →

#03b6fc · #4903fc

#03fc49 · #0339fc · #fc03b6

Contrast

#fcc603 as textRatioAAAA largeAAAFix
Aaon white
1.59:1failfailfail
  • AA: use #8d6f01 as the text (4.77:1)
  • AAA: use #6a5301 as the text (7.37:1)
  • AA: or shift the background to #575757 (4.55:1)
  • AAA: or shift the background to #3b3b3b (7.05:1)
Aaon black
13.22:1passpasspassPasses 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 #fcc603 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fcc603 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fcc603
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 #fcc603 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fcc603-c4c09c-62abcb-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