Color

#c3ea66

#c3ea66
hex#c3ea66
rgbrgb(195, 234, 102)
hslhsl(78, 76%, 66%)
oklchoklch(0.883 0.165 123.5)
Closest name: Cucumber Milk (#c2f177)Relative luminance 0.7141

Colors that go with #c3ea66

Charcoal, Plum and Blue 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 →

#8e66ea

#ead066 · #81ea66

#66c3ea · #ea66c3

Split-complementary

Open in tool →

#6681ea · #d066ea

#66ead0 · #8e66ea · #ea6681

Contrast

#c3ea66 as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #5d7e11 as the text (4.71:1)
  • AAA: use #465e0d as the text (7.32:1)
  • AA: or shift the background to #616161 (4.51:1)
  • AAA: or shift the background to #424242 (7.31:1)
Aaon black
15.28:1passpasspassPasses 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 #c3ea66 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 #c3ea66
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 #c3ea66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c3ea66-b2bea2-4e69df-232d1f-f1f0e9?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