Color

#643d20

#643d20
hex#643d20
rgbrgb(100, 61, 32)
hslhsl(26, 52%, 26%)
oklchoklch(0.4 0.069 55.8)
Closest name: Brown (#653700)Relative luminance 0.0615

Colors that go with #643d20

Copper, Hunter Green and Sage Green 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 #643d20

Tints & shades

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

Harmonies

Complementary

Open in tool →

#204765

#652024 · #656020

#20653e · #3e2065

Split-complementary

Open in tool →

#206560 · #202465

#246520 · #204765 · #602065

Contrast

#643d20 as textRatioAAAA largeAAAFix
Aaon white
9.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #a76635 as the text (4.6:1)
  • AAA: use #c98754 as the text (7.08:1)
  • AA: or shift the background to #b5b5b5 (4.59:1)
  • AAA: or shift the background to #e0e0e0 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #643d20 as the background.

Brands using this color

Fonts for this mood

#643d20 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643d20
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 #643d20 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643d20-c4b29c-62cbc5-2d2b1f-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