Color

#f3d52b

#f3d52b
hex#f3d52b
rgbrgb(243, 213, 43)
hslhsl(51, 89%, 56%)
oklchoklch(0.872 0.171 98.2)
Closest name: Banana Drama (#f1d548)Relative luminance 0.6682

Colors that go with #f3d52b

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b49f3

#f3712b · #adf32b

#2bf3d5 · #d52bf3

Split-complementary

Open in tool →

#2badf3 · #712bf3

#2bf371 · #2b49f3 · #f32bad

Contrast

#f3d52b as textRatioAAAA largeAAAFix
Aaon white
1.46:1failfailfail
  • AA: use #877408 as the text (4.63:1)
  • AAA: use #655706 as the text (7.19:1)
  • AA: or shift the background to #5c5c5c (4.57:1)
  • AAA: or shift the background to #404040 (7.09:1)
Aaon black
14.36:1passpasspassPasses 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 #f3d52b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#f3d52b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f3d52b
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 #f3d52b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3d52b-c4c29c-4eaadf-292d1f-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