Color

#665f67

#665f67
hex#665f67
rgbrgb(102, 95, 103)
hslhsl(293, 4%, 39%)
oklchoklch(0.495 0.015 321.9)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.1199

Colors that go with #665f67

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 →

#60675f

#635f67 · #675f64

#67665f · #5f6766

Split-complementary

Open in tool →

#64675f · #5f6763

#67635f · #60675f · #5f6467

Contrast

#665f67 as textRatioAAAA largeAAAFix
Aaon white
6.18:1passpassfail
  • AAA: use #5c565d as the text (7.13:1)
Aaon black
3.4:1failpassfail
  • AA: use #7c737d as the text (4.61:1)
  • AAA: use #9c959d as the text (7.2:1)
  • AA: or shift the background to #dedede (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #665f67 as the background.

Brands using this color

Fonts for this mood

#665f67 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #665f67
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 #665f67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/665f67-a2beb0-c859d4-1f2d2b-eaf1e9?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