Color

#643b02

#643b02
hex#643b02
rgbrgb(100, 59, 2)
hslhsl(35, 96%, 20%)
oklchoklch(0.393 0.086 66.6)
Closest name: Brown (#653700)Relative luminance 0.0584

Tints & shades

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

Harmonies

Complementary

Open in tool →

#022b64

#640a02 · #5c6402

#02643b · #3b0264

Split-complementary

Open in tool →

#025c64 · #0a0264

#02640a · #022b64 · #64025c

Contrast

#643b02 as textRatioAAAA largeAAAFix
Aaon white
9.68:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #aa6503 as the text (4.57:1)
  • AAA: use #dc8204 as the text (7.24:1)
  • AA: or shift the background to #b3b3b3 (4.62:1)
  • AAA: or shift the background to #dedede (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #643b02 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

#643b02 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643b02
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #643b02 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643b02-c4b89c-62c0cb-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