Color

#636d4a

#636d4a
hex#636d4a
rgbrgb(99, 109, 74)
hslhsl(77, 19%, 36%)
oklchoklch(0.517 0.054 121.3)
Closest name: Bancha (#666a47)Relative luminance 0.1408

Colors that go with #636d4a

Charcoal, Slate Blue and Champagne 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 #636d4a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#544a6d

#6d664a · #526d4a

#4a636d · #6d4a63

Split-complementary

Open in tool →

#4a526d · #664a6d

#4a6d66 · #544a6d · #6d4a52

Contrast

#636d4a as textRatioAAAA largeAAAFix
Aaon white
5.5:1passpassfail
  • AAA: use #535b3e as the text (7.16:1)
Aaon black
3.82:1failpassfail
  • AA: use #6e7953 as the text (4.52:1)
  • AAA: use #8f9c6d as the text (7.14:1)
  • AA: or shift the background to #ebebeb (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #636d4a as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #636d4a
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 #636d4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/636d4a-b3bea2-4e6bdf-232d1f-f1efe9?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