Color

#643d12

#643d12
hex#643d12
rgbrgb(100, 61, 18)
hslhsl(31, 69%, 23%)
oklchoklch(0.398 0.078 64.1)
Closest name: Brown (#653700)Relative luminance 0.0609

Colors that go with #643d12

Hunter Green, Sage Green and Wheat 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 #643d12

Tints & shades

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

Harmonies

Complementary

Open in tool →

#123963

#631412 · #626312

#12633c · #3c1263

Split-complementary

Open in tool →

#126263 · #141263

#126314 · #123963 · #631262

Contrast

#643d12 as textRatioAAAA largeAAAFix
Aaon white
9.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #a8661f as the text (4.59:1)
  • AAA: use #d78228 as the text (7.11:1)
  • AA: or shift the background to #b3b3b3 (4.52:1)
  • AAA: or shift the background to #dedede (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #643d12 as the background.

Brands using this color

Fonts for this mood

#643d12 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643d12
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 #643d12 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643d12-c4b59c-62c7cb-2d2c1f-f1eae9?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