Color

#fffb0a

#fffb0a
hex#fffb0a
rgbrgb(255, 251, 10)
hslhsl(59, 100%, 52%)
oklchoklch(0.96 0.207 108.6)
Closest name: Banana King (#fffb08)Relative luminance 0.9028

Colors that go with #fffb0a

Lilac, Blue and Crimson 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 →

#0a0eff

#ff810a · #89ff0a

#0afffb · #fb0aff

Split-complementary

Open in tool →

#0a89ff · #810aff

#0aff81 · #0a0eff · #ff0a89

Contrast

#fffb0a 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 #6e6e6e (4.63:1)
  • AAA: or shift the background to #525252 (7.09:1)
Aaon black
19.06:1passpasspassPasses 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 #fffb0a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fffb0a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fffb0a
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 #fffb0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fffb0a-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