Color

#c4dd03

#c4dd03
hex#c4dd03
rgbrgb(196, 221, 3)
hslhsl(67, 97%, 44%)
oklchoklch(0.849 0.197 117.7)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.6346

Colors that go with #c4dd03

Cornflower Blue, Blue and Charcoal 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 →

#1d03dd

#dd8a03 · #57dd03

#03c4dd · #dd03c4

Split-complementary

Open in tool →

#0357dd · #8a03dd

#03dd8a · #1d03dd · #dd0357

Contrast

#c4dd03 as textRatioAAAA largeAAAFix
Aaon white
1.53:1failfailfail
  • AA: use #6f7e02 as the text (4.51:1)
  • AAA: use #505a01 as the text (7.49:1)
  • AA: or shift the background to #595959 (4.57:1)
  • AAA: or shift the background to #3d3d3d (7.08:1)
Aaon black
13.69:1passpasspassPasses 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 #c4dd03 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 #c4dd03
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 #c4dd03 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c4dd03-b8bea2-4e83df-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