Color

#cdee11

#cdee11
hex#cdee11
rgbrgb(205, 238, 17)
hslhsl(69, 87%, 50%)
oklchoklch(0.894 0.209 119.4)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7417

Colors that go with #cdee11

Blue, Crimson and Denim 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 →

#3211ee

#eea111 · #5eee11

#11cdee · #ee11cd

Split-complementary

Open in tool →

#115eee · #a111ee

#11eea1 · #3211ee · #ee115e

Contrast

#cdee11 as textRatioAAAA largeAAAFix
Aaon white
1.33:1failfailfail
  • AA: use #6b7c09 as the text (4.65:1)
  • AAA: use #525f07 as the text (7:1)
  • AA: or shift the background to #636363 (4.53:1)
  • AAA: or shift the background to #474747 (7.01:1)
Aaon black
15.83:1passpasspassPasses 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 #cdee11 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 #cdee11
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 #cdee11 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cdee11-b7bea2-4e7edf-252d1f-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