Color

#ceee1b

#ceee1b
hex#ceee1b
rgbrgb(206, 238, 27)
hslhsl(69, 86%, 52%)
oklchoklch(0.895 0.206 119.2)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7435

Colors that go with #ceee1b

Blue, Charcoal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3b1bee

#eea41b · #65ee1b

#1bceee · #ee1bce

Split-complementary

Open in tool →

#1b65ee · #a41bee

#1beea4 · #3b1bee · #ee1b65

Contrast

#ceee1b as textRatioAAAA largeAAAFix
Aaon white
1.32:1failfailfail
  • AA: use #6a7b09 as the text (4.72:1)
  • AAA: use #525f07 as the text (7:1)
  • AA: or shift the background to #636363 (4.54:1)
  • AAA: or shift the background to #474747 (7.02:1)
Aaon black
15.87:1passpasspassPasses 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 #ceee1b 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 #ceee1b
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 #ceee1b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ceee1b-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