Color

#643d11

#643d11
hex#643d11
rgbrgb(100, 61, 17)
hslhsl(32, 71%, 23%)
oklchoklch(0.398 0.079 64.5)
Closest name: Brown (#653700)Relative luminance 0.0609

Colors that go with #643d11

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 #643d11

Tints & shades

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

Harmonies

Complementary

Open in tool →

#113864

#641411 · #626411

#11643d · #3d1164

Split-complementary

Open in tool →

#116264 · #141164

#116414 · #113864 · #641162

Contrast

#643d11 as textRatioAAAA largeAAAFix
Aaon white
9.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #aa681d as the text (4.71:1)
  • AAA: use #d68324 as the text (7.13:1)
  • 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 #643d11 as the background.

Brands using this color

Fonts for this mood

#643d11 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643d11
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 #643d11 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643d11-c4b69c-62c5cb-2d2d1f-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