Color

#f3f381

#f3f381
hex#f3f381
rgbrgb(243, 243, 129)
hslhsl(60, 83%, 73%)
oklchoklch(0.941 0.137 108.8)
Closest name: Banana (#fffc79)Relative luminance 0.8474

Colors that go with #f3f381

Charcoal, Lilac and 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 #f3f381

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8181f3

#f3ba81 · #baf381

#81f3f3 · #f381f3

Split-complementary

Open in tool →

#81baf3 · #ba81f3

#81f3ba · #8181f3 · #f381ba

Contrast

#f3f381 as textRatioAAAA largeAAAFix
Aaon white
1.17:1failfailfail
  • AA: use #79790b as the text (4.61:1)
  • AAA: use #595908 as the text (7.35:1)
  • AA: or shift the background to #6b6b6b (4.55:1)
  • AAA: or shift the background to #4f4f4f (7:1)
Aaon black
17.95:1passpasspassPasses 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 #f3f381 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#f3f381 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f3f381
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 #f3f381 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3f381-bbbea2-4e94df-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