Color

#64c9bb

#64c9bb
hex#64c9bb
rgbrgb(100, 201, 187)
hslhsl(172, 48%, 59%)
oklchoklch(0.771 0.097 183.6)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.4807

Colors that go with #64c9bb

Charcoal, Light Coral 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 →

#c96472

#64c989 · #64a4c9

#bb64c9 · #c9bb64

Split-complementary

Open in tool →

#c964a4 · #c98964

#8964c9 · #c96472 · #a4c964

Contrast

#64c9bb as textRatioAAAA largeAAAFix
Aaon white
1.98:1failfailfail
  • AA: use #2d8075 as the text (4.71:1)
  • AAA: use #22625a as the text (7.09:1)
  • AA: or shift the background to #474747 (4.7:1)
  • AAA: or shift the background to #2b2b2b (7.16:1)
Aaon black
10.61:1passpasspassPasses 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 #64c9bb 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 #64c9bb
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 #64c9bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64c9bb-a2bebe-d459a5-1f292d-e9f1ec?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