Color

#f3cf30

#f3cf30
hex#f3cf30
rgbrgb(243, 207, 48)
hslhsl(49, 89%, 57%)
oklchoklch(0.861 0.165 95.2)
Closest name: Aurora (#ebd147)Relative luminance 0.6389

Colors that go with #f3cf30

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 #f3cf30

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3054f3

#f36e30 · #b5f330

#30f3cf · #cf30f3

Split-complementary

Open in tool →

#30b5f3 · #6e30f3

#30f36e · #3054f3 · #f330b5

Contrast

#f3cf30 as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #8c7408 as the text (4.55:1)
  • AAA: use #655406 as the text (7.44:1)
  • AA: or shift the background to #595959 (4.6:1)
  • AAA: or shift the background to #3d3d3d (7.13:1)
Aaon black
13.78:1passpasspassPasses 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 #f3cf30 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#f3cf30 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f3cf30
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 #f3cf30 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3cf30-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