Color

#66dbd7

#66dbd7
hex#66dbd7
rgbrgb(102, 219, 215)
hslhsl(178, 62%, 63%)
oklchoklch(0.823 0.106 192.3)
Closest name: Hammam Blue (#65dcd6)Relative luminance 0.5839

Colors that go with #66dbd7

Charcoal, Deep Sky Blue and Light Coral 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 →

#db666a

#66db9d · #66a5db

#d766db · #dbd766

Split-complementary

Open in tool →

#db66a5 · #db9d66

#9d66db · #db666a · #a5db66

Contrast

#66dbd7 as textRatioAAAA largeAAAFix
Aaon white
1.66:1failfailfail
  • AA: use #1e807d as the text (4.73:1)
  • AAA: use #176361 as the text (7.01:1)
  • AA: or shift the background to #545454 (4.57:1)
  • AAA: or shift the background to #383838 (7.08:1)
Aaon black
12.68:1passpasspassPasses 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 #66dbd7 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 #66dbd7
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 #66dbd7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66dbd7-a2bcbe-d45999-1f282d-e9f1ed?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