Color

#f3e52b

#f3e52b
hex#f3e52b
rgbrgb(243, 229, 43)
hslhsl(56, 89%, 56%)
oklchoklch(0.905 0.183 104.8)
Closest name: Banana Bombshell (#f7e82e)Relative luminance 0.7527

Colors that go with #f3e52b

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b38f3

#f3812b · #9cf32b

#2bf3e5 · #e52bf3

Split-complementary

Open in tool →

#2b9cf3 · #812bf3

#2bf381 · #2b38f3 · #f32b9c

Contrast

#f3e52b as textRatioAAAA largeAAAFix
Aaon white
1.31:1failfailfail
  • AA: use #7d7507 as the text (4.75:1)
  • AAA: use #605a06 as the text (7.09:1)
  • AA: or shift the background to #636363 (4.59:1)
  • AAA: or shift the background to #474747 (7.1:1)
Aaon black
16.05:1passpasspassPasses 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 #f3e52b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#f3e52b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f3e52b
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 #f3e52b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3e52b-bdbea2-4e9edf-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