Color

#66f4eb

#66f4eb
hex#66f4eb
rgbrgb(102, 244, 235)
hslhsl(176, 87%, 68%)
oklchoklch(0.888 0.123 189.4)
Closest name: Bath Water (#88eeee)Relative luminance 0.7352

Colors that go with #66f4eb

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 →

#f46670

#66f4a4 · #66b7f4

#eb66f4 · #f4eb66

Split-complementary

Open in tool →

#f466b7 · #f4a466

#a466f4 · #f46670 · #b7f466

Contrast

#66f4eb as textRatioAAAA largeAAAFix
Aaon white
1.34:1failfailfail
  • AA: use #098179 as the text (4.74:1)
  • AAA: use #07645e as the text (7.02:1)
  • AA: or shift the background to #616161 (4.63:1)
  • AAA: or shift the background to #454545 (7.17:1)
Aaon black
15.7:1passpasspassPasses 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 #66f4eb 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 #66f4eb
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 #66f4eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66f4eb-a2bdbe-d4599d-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