Color

#fbdf28

#fbdf28
hex#fbdf28
rgbrgb(251, 223, 40)
hslhsl(52, 96%, 57%)
oklchoklch(0.9 0.179 99.6)
Closest name: Angel’s Trumpet (#f6dd34)Relative luminance 0.7344

Colors that go with #fbdf28

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 →

#2844fb

#fb7528 · #adfb28

#28fbdf · #df28fb

Split-complementary

Open in tool →

#28adfb · #7528fb

#28fb75 · #2844fb · #fb28ad

Contrast

#fbdf28 as textRatioAAAA largeAAAFix
Aaon white
1.34:1failfailfail
  • AA: use #877503 as the text (4.59:1)
  • AAA: use #645702 as the text (7.23:1)
  • AA: or shift the background to #616161 (4.63:1)
  • AAA: or shift the background to #454545 (7.16:1)
Aaon black
15.69:1passpasspassPasses 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 #fbdf28 as the background.

Brands using this color

Fonts for this mood

#fbdf28 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fbdf28
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 #fbdf28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fbdf28-c4c39c-4ea7df-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