Color

#ceef61

#ceef61
hex#ceef61
rgbrgb(206, 239, 97)
hslhsl(74, 82%, 66%)
oklchoklch(0.901 0.171 121)
Closest name: Cucumber Milk (#c2f177)Relative luminance 0.7572

Colors that go with #ceef61

Charcoal, Plum 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 →

#8261ef

#efc961 · #87ef61

#61ceef · #ef61ce

Split-complementary

Open in tool →

#6187ef · #c961ef

#61efc9 · #8261ef · #ef6187

Contrast

#ceef61 as textRatioAAAA largeAAAFix
Aaon white
1.3:1failfailfail
  • AA: use #637d0c as the text (4.7:1)
  • AAA: use #495d09 as the text (7.36:1)
  • AA: or shift the background to #636363 (4.62:1)
  • AAA: or shift the background to #474747 (7.14:1)
Aaon black
16.14:1passpasspassPasses 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 #ceef61 as the background.

Brands using this color

mcpConnect your agent — build around #ceef61
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 #ceef61 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ceef61-b4bea2-4e72df-242d1f-f1efe9?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