Color

#ffda05

#ffda05
hex#ffda05
rgbrgb(255, 218, 5)
hslhsl(51, 100%, 51%)
oklchoklch(0.893 0.183 96.6)
Closest name: gold (#ffd700)Relative luminance 0.7141

Colors that go with #ffda05

Charcoal, Cornflower Blue and Deep Sky Blue 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 →

#052bff

#ff5d05 · #a8ff05

#05ffda · #da05ff

Split-complementary

Open in tool →

#05a8ff · #5d05ff

#05ff5d · #052bff · #ff05a8

Contrast

#ffda05 as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #8a7500 as the text (4.54:1)
  • AAA: use #665700 as the text (7.17:1)
  • AA: or shift the background to #616161 (4.51:1)
  • AAA: or shift the background to #424242 (7.31:1)
Aaon black
15.28:1passpasspassPasses 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 #ffda05 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ffda05 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ffda05
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 #ffda05 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ffda05-c4c29c-4eaadf-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