Color

#64a4aa

#64a4aa
hex#64a4aa
rgbrgb(100, 164, 170)
hslhsl(185, 29%, 53%)
oklchoklch(0.678 0.066 203.4)
Closest name: Atlas Cedar (#5ca0a7)Relative luminance 0.3216

Colors that go with #64a4aa

Charcoal, Terracotta and Burlywood 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.

Real palettes that use #64a4aa

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#aa6a64

#64aa8d · #6481aa

#aa64a4 · #a4aa64

Split-complementary

Open in tool →

#aa6481 · #aa8d64

#8d64aa · #aa6a64 · #81aa64

Contrast

#64a4aa as textRatioAAAA largeAAAFix
Aaon white
2.83:1failfailfail
  • AA: use #487f84 as the text (4.52:1)
  • AAA: use #365f63 as the text (7.06:1)
  • AA: or shift the background to #303030 (4.67:1)
  • AAA: or shift the background to #0a0a0a (7.01:1)
Aaon black
7.43:1passpasspassPasses 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 #64a4aa 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 #64a4aa
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 #64a4aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64a4aa-a2b8be-df4e88-1f262d-e9f1ee?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