Color

#643f02

#643f02
hex#643f02
rgbrgb(100, 63, 2)
hslhsl(37, 96%, 20%)
oklchoklch(0.401 0.085 71.6)
Closest name: Brown (#653700)Relative luminance 0.0627

Colors that go with #643f02

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 #643f02

Tints & shades

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

Harmonies

Complementary

Open in tool →

#022864

#640d02 · #596402

#02643e · #3e0264

Split-complementary

Open in tool →

#025964 · #0d0264

#02640d · #022864 · #640259

Contrast

#643f02 as textRatioAAAA largeAAAFix
Aaon white
9.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #a56703 as the text (4.54:1)
  • AAA: use #d78604 as the text (7.3:1)
  • AA: or shift the background to #b5b5b5 (4.54:1)
  • AAA: or shift the background to #e0e0e0 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #643f02 as the background.

Brands using this color

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

Fonts for this mood

#643f02 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643f02
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 #643f02 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643f02-c4b99c-62bdcb-2c2d1f-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