Color

#643c16

#643c16
hex#643c16
rgbrgb(100, 60, 22)
hslhsl(29, 64%, 24%)
oklchoklch(0.397 0.076 60.8)
Closest name: Brown (#653700)Relative luminance 0.06

Tints & shades

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

Harmonies

Complementary

Open in tool →

#163f64

#641617 · #646316

#16643c · #3c1664

Split-complementary

Open in tool →

#166463 · #161764

#176416 · #163f64 · #631664

Contrast

#643c16 as textRatioAAAA largeAAAFix
Aaon white
9.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.2:1failfailfail
  • AA: use #ab6626 as the text (4.66:1)
  • AAA: use #d38236 as the text (7.02:1)
  • AA: or shift the background to #b3b3b3 (4.55:1)
  • AAA: or shift the background to #dedede (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #643c16 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

#643c16 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #643c16
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 #643c16 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/643c16-c4b49c-62cbcb-2d2c1f-f1e9e9?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