Color

#665d57

#665d57
hex#665d57
rgbrgb(102, 93, 87)
hslhsl(24, 8%, 37%)
oklchoklch(0.485 0.015 56)
Closest name: Bark (#5f5854)Relative luminance 0.1134

Colors that go with #665d57

Charcoal, Champagne and Copper 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 →

#576066

#665758 · #666457

#57665d · #5d5766

Split-complementary

Open in tool →

#576664 · #575866

#586657 · #576066 · #645766

Contrast

#665d57 as textRatioAAAA largeAAAFix
Aaon white
6.43:1passpassfail
  • AAA: use #5e5550 as the text (7.26:1)
Aaon black
3.27:1failpassfail
  • AA: use #7f736c as the text (4.57:1)
  • AAA: use #9f958e as the text (7.16:1)
  • AA: or shift the background to #d9d9d9 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #665d57 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#665d57 reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #665d57
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 #665d57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/665d57-c4b19c-62cbc2-2d2b1f-f1e9ea?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