Color

#f9dd53

#f9dd53
hex#f9dd53
rgbrgb(249, 221, 83)
hslhsl(50, 93%, 65%)
oklchoklch(0.897 0.156 97.6)
Closest name: Mustard Yellow (#ffdb58)Relative luminance 0.7248

Colors that go with #f9dd53

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#536ef9

#f98a53 · #c1f953

#53f9dd · #dd53f9

Split-complementary

Open in tool →

#53c1f9 · #8a53f9

#53f98a · #536ef9 · #f953c1

Contrast

#f9dd53 as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #8a7405 as the text (4.58:1)
  • AAA: use #675704 as the text (7.14:1)
  • AA: or shift the background to #616161 (4.57:1)
  • AAA: or shift the background to #454545 (7.07:1)
Aaon black
15.5:1passpasspassPasses 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 #f9dd53 as the background.

Brands using this color

Fonts for this mood

#f9dd53 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f9dd53
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 #f9dd53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f9dd53-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