Color

#643f07

#643f07
hex#643f07
rgbrgb(100, 63, 7)
hslhsl(36, 87%, 21%)
oklchoklch(0.402 0.083 70.3)
Closest name: Brown (#653700)Relative luminance 0.0628

Tints & shades

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

Harmonies

Complementary

Open in tool →

#072c64

#641007 · #5b6407

#07643f · #3f0764

Split-complementary

Open in tool →

#075b64 · #100764

#076410 · #072c64 · #64075b

Contrast

#643f07 as textRatioAAAA largeAAAFix
Aaon white
9.31:1passpasspassPasses AAA — no fix needed.
Aaon black
2.26:1failfailfail
  • AA: use #a7690c as the text (4.67:1)
  • AAA: use #d2840f as the text (7.05:1)
  • AA: or shift the background to #b5b5b5 (4.54:1)
  • AAA: or shift the background to #e0e0e0 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #643f07 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

#643f07 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643f07
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 #643f07 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643f07-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