Color

#66eb82

#66eb82
hex#66eb82
rgbrgb(102, 235, 130)
hslhsl(133, 77%, 66%)
oklchoklch(0.841 0.186 148.1)
Closest name: Grotesque Green (#64e986)Relative luminance 0.6385

Colors that go with #66eb82

Charcoal, Deep Sky Blue and Taupe 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 →

#eb66ce

#8beb66 · #66ebc5

#8266eb · #eb8266

Split-complementary

Open in tool →

#c566eb · #eb668b

#668beb · #eb66ce · #ebc566

Contrast

#66eb82 as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #12872b as the text (4.64:1)
  • AAA: use #0d6320 as the text (7.44:1)
  • AA: or shift the background to #595959 (4.59:1)
  • AAA: or shift the background to #3d3d3d (7.12:1)
Aaon black
13.77:1passpasspassPasses 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 #66eb82 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 #66eb82
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 #66eb82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66eb82-a2beab-b84edf-1f2d28-ebf1e9?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