Color

#fadd00

#fadd00
hex#fadd00
rgbrgb(250, 221, 0)
hslhsl(53, 100%, 49%)
oklchoklch(0.894 0.186 99.6)
Closest name: Angel’s Trumpet (#f6dd34)Relative luminance 0.7204

Colors that go with #fadd00

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 →

#001dfa

#fa6000 · #9afa00

#00fadd · #dd00fa

Split-complementary

Open in tool →

#009afa · #6000fa

#00fa60 · #001dfa · #fa009a

Contrast

#fadd00 as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #857500 as the text (4.62:1)
  • AAA: use #615600 as the text (7.4:1)
  • AA: or shift the background to #616161 (4.54:1)
  • AAA: or shift the background to #454545 (7.03:1)
Aaon black
15.41:1passpasspassPasses 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 #fadd00 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fadd00 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fadd00
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 #fadd00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fadd00-c4c49c-4ea5df-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