Color

#cdd803

#cdd803
hex#cdd803
rgbrgb(205, 216, 3)
hslhsl(63, 97%, 43%)
oklchoklch(0.845 0.189 113.4)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.621

Colors that go with #cdd803

Charcoal, Cornflower Blue and Crimson 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 #cdd803

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0e03d8

#d87803 · #63d803

#03cdd8 · #d803cd

Split-complementary

Open in tool →

#0363d8 · #7803d8

#03d878 · #0e03d8 · #d80363

Contrast

#cdd803 as textRatioAAAA largeAAAFix
Aaon white
1.56:1failfailfail
  • AA: use #737902 as the text (4.7:1)
  • AAA: use #565a01 as the text (7.35:1)
  • AA: or shift the background to #575757 (4.62:1)
  • AAA: or shift the background to #3b3b3b (7.16:1)
Aaon black
13.42:1passpasspassPasses 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 #cdd803 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #cdd803
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 #cdd803 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cdd803-b9bea2-4e8ddf-262d1f-f1eee9?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