Color

#66eaba

#66eaba
hex#66eaba
rgbrgb(102, 234, 186)
hslhsl(158, 76%, 66%)
oklchoklch(0.85 0.136 166.4)
Closest name: Jittery Jade (#77eebb)Relative luminance 0.6522

Colors that go with #66eaba

Charcoal, Crimson and Deep Sky 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 →

#ea6697

#66ea78 · #66d9ea

#ba66ea · #eaba66

Split-complementary

Open in tool →

#ea66d9 · #ea7866

#7866ea · #ea6697 · #d9ea66

Contrast

#66eaba as textRatioAAAA largeAAAFix
Aaon white
1.5:1failfailfail
  • AA: use #12875c as the text (4.52:1)
  • AAA: use #0d6343 as the text (7.28:1)
  • AA: or shift the background to #595959 (4.68:1)
  • AAA: or shift the background to #3d3d3d (7.26:1)
Aaon black
14.04:1passpasspassPasses 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 #66eaba 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 #66eaba
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 #66eaba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66eaba-a2beb7-d459c2-1f2c2d-e9f1eb?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