Color

#643d02

#643d02
hex#643d02
rgbrgb(100, 61, 2)
hslhsl(36, 96%, 20%)
oklchoklch(0.397 0.085 69.1)
Closest name: Brown (#653700)Relative luminance 0.0605

Tints & shades

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

Harmonies

Complementary

Open in tool →

#022964

#640c02 · #5a6402

#02643d · #3d0264

Split-complementary

Open in tool →

#025a64 · #0c0264

#02640c · #022964 · #64025a

Contrast

#643d02 as textRatioAAAA largeAAAFix
Aaon white
9.5:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #aa6703 as the text (4.65:1)
  • AAA: use #d78304 as the text (7.14:1)
  • AA: or shift the background to #b3b3b3 (4.53:1)
  • AAA: or shift the background to #dedede (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 #643d02 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

#643d02 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643d02
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 #643d02 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643d02-c4b99c-62bfcb-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