Color

#66bed6

#66bed6
hex#66bed6
rgbrgb(102, 190, 214)
hslhsl(193, 58%, 62%)
oklchoklch(0.756 0.091 217.7)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.4451

Colors that go with #66bed6

Charcoal, Dark Salmon and Blush Pink 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 →

#d67e66

#66d6b6 · #6686d6

#d666be · #bed666

Split-complementary

Open in tool →

#d66686 · #d6b666

#b666d6 · #d67e66 · #86d666

Contrast

#66bed6 as textRatioAAAA largeAAAFix
Aaon white
2.12:1failfailfail
  • AA: use #287d95 as the text (4.71:1)
  • AAA: use #1e5f71 as the text (7.17:1)
  • AA: or shift the background to #454545 (4.52:1)
  • AAA: or shift the background to #262626 (7.14:1)
Aaon black
9.9:1passpasspassPasses 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 #66bed6 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#66bed6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #66bed6
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 #66bed6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66bed6-a2b5be-df4e75-1f242d-e9f1ef?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