Color

#64675b

#64675b
hex#64675b
rgbrgb(100, 103, 91)
hslhsl(75, 6%, 38%)
oklchoklch(0.507 0.019 118.5)
Closest name: Italian Basil (#5f6957)Relative luminance 0.1317

Colors that go with #64675b

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 →

#5e5b67

#67645b · #5e675b

#5b6467 · #675b64

Split-complementary

Open in tool →

#5b5e67 · #645b67

#5b6764 · #5e5b67 · #675b5e

Contrast

#64675b as textRatioAAAA largeAAAFix
Aaon white
5.78:1passpassfail
  • AAA: use #57594f as the text (7.13:1)
Aaon black
3.63:1failpassfail
  • AA: use #747769 as the text (4.59:1)
  • AAA: use #95988b as the text (7.14:1)
  • AA: or shift the background to #e3e3e3 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #64675b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#64675b reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #64675b
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 #64675b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/64675b-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