Color

#f8df63

#f8df63
hex#f8df63
rgbrgb(248, 223, 99)
hslhsl(50, 91%, 68%)
oklchoklch(0.901 0.145 98)
Closest name: Mustard Yellow (#ffdb58)Relative luminance 0.7363

Colors that go with #f8df63

Charcoal, Crimson and Taupe 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 #f8df63

Tints & shades

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

Harmonies

Complementary

Open in tool →

#637cf8

#f89563 · #c6f863

#63f8df · #df63f8

Split-complementary

Open in tool →

#63c6f8 · #9563f8

#63f895 · #637cf8 · #f863c6

Contrast

#f8df63 as textRatioAAAA largeAAAFix
Aaon white
1.34:1failfailfail
  • AA: use #887306 as the text (4.66:1)
  • AAA: use #665605 as the text (7.25:1)
  • AA: or shift the background to #616161 (4.64:1)
  • AAA: or shift the background to #454545 (7.18:1)
Aaon black
15.73:1passpasspassPasses 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 #f8df63 as the background.

Brands using this color

Fonts for this mood

#f8df63 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f8df63
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 #f8df63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f8df63-c4c29c-4eacdf-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