Color

#fbf304

#fbf304
hex#fbf304
rgbrgb(251, 243, 4)
hslhsl(58, 97%, 50%)
oklchoklch(0.94 0.201 107.3)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8462

Colors that go with #fbf304

Lilac, Blue and Charcoal 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 →

#040cfb

#fb7704 · #88fb04

#04fbf3 · #f304fb

Split-complementary

Open in tool →

#0488fb · #7704fb

#04fb77 · #040cfb · #fb0488

Contrast

#fbf304 as textRatioAAAA largeAAAFix
Aaon white
1.17:1failfailfail
  • AA: use #7e7902 as the text (4.54:1)
  • AAA: use #5a5701 as the text (7.5:1)
  • AA: or shift the background to #6b6b6b (4.55:1)
  • AAA: or shift the background to #4d4d4d (7.21:1)
Aaon black
17.92:1passpasspassPasses 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 #fbf304 as the background.

Brands using this color

Fonts for this mood

#fbf304 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fbf304
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 #fbf304 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fbf304-bcbea2-4e99df-282d1f-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