Color

#66fabf

#66fabf
hex#66fabf
rgbrgb(102, 250, 191)
hslhsl(156, 94%, 69%)
oklchoklch(0.89 0.153 163.8)
Closest name: Mint Bliss (#7effba)Relative luminance 0.7496

Colors that go with #66fabf

Charcoal, Crimson 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 →

#fa66a1

#66fa75 · #66ebfa

#bf66fa · #fabf66

Split-complementary

Open in tool →

#fa66eb · #fa7566

#7566fa · #fa66a1 · #ebfa66

Contrast

#66fabf as textRatioAAAA largeAAAFix
Aaon white
1.31:1failfailfail
  • AA: use #048652 as the text (4.63:1)
  • AAA: use #03633d as the text (7.35:1)
  • AA: or shift the background to #636363 (4.57:1)
  • AAA: or shift the background to #474747 (7.08:1)
Aaon black
15.99:1passpasspassPasses 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 #66fabf 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 #66fabf
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 #66fabf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66fabf-a2beb6-d459c6-1f2d2d-e9f1ea?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