Color

#ffcd05

#ffcd05
hex#ffcd05
rgbrgb(255, 205, 5)
hslhsl(48, 100%, 51%)
oklchoklch(0.867 0.177 90.8)
Closest name: gold (#ffd700)Relative luminance 0.6493

Colors that go with #ffcd05

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.

Real palettes that use #ffcd05

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0537ff

#ff5005 · #b4ff05

#05ffcd · #cd05ff

Split-complementary

Open in tool →

#05b4ff · #5005ff

#05ff50 · #0537ff · #ff05b4

Contrast

#ffcd05 as textRatioAAAA largeAAAFix
Aaon white
1.5:1failfailfail
  • AA: use #8f7200 as the text (4.59:1)
  • AAA: use #6b5600 as the text (7.1:1)
  • AA: or shift the background to #595959 (4.67:1)
  • AAA: or shift the background to #3d3d3d (7.23:1)
Aaon black
13.99:1passpasspassPasses 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 #ffcd05 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ffcd05 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ffcd05
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 #ffcd05 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ffcd05-c4c09c-62aacb-2a2d1f-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