Color

#f3d581

#f3d581
hex#f3d581
rgbrgb(243, 213, 129)
hslhsl(44, 83%, 73%)
oklchoklch(0.88 0.109 90.4)
Closest name: Ancient Treasure (#e7d082)Relative luminance 0.6823

Colors that go with #f3d581

Charcoal, Deep Sky Blue and Lilac 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 #f3d581

Tints & shades

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

Harmonies

Complementary

Open in tool →

#819ff3

#f39c81 · #d9f381

#81f3d5 · #d581f3

Split-complementary

Open in tool →

#81d9f3 · #9c81f3

#81f39c · #819ff3 · #f381d9

Contrast

#f3d581 as textRatioAAAA largeAAAFix
Aaon white
1.43:1failfailfail
  • AA: use #95710e as the text (4.52:1)
  • AAA: use #70550a as the text (7.02:1)
  • AA: or shift the background to #5e5e5e (4.52:1)
  • AAA: or shift the background to #424242 (7.01:1)
Aaon black
14.65:1passpasspassPasses 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 #f3d581 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#f3d581 reads as warm, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f3d581
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 #f3d581 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3d581-c4be9c-62b1cb-2b2d1f-f1ebe9?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