Color

#643516

#643516
hex#643516
rgbrgb(100, 53, 22)
hslhsl(24, 64%, 24%)
oklchoklch(0.383 0.08 51.3)
Closest name: Brown (#653700)Relative luminance 0.0531

Colors that go with #643516

Crimson, Blue 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.

Real palettes that use #643516

Tints & shades

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

Harmonies

Complementary

Open in tool →

#164564

#64161e · #645d16

#166435 · #351664

Split-complementary

Open in tool →

#16645d · #161e64

#1e6416 · #164564 · #5d1664

Contrast

#643516 as textRatioAAAA largeAAAFix
Aaon white
10.18:1passpasspassPasses AAA — no fix needed.
Aaon black
2.06:1failfailfail
  • AA: use #b46027 as the text (4.64:1)
  • AAA: use #d78047 as the text (7.07:1)
  • AA: or shift the background to #adadad (4.54:1)
  • AAA: or shift the background to #d6d6d6 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #643516 as the background.

Brands using this color

Fonts for this mood

#643516 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643516
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 #643516 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643516-c4b19c-62cbc2-2d2b1f-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