Color

#663e2e

#663e2e
hex#663e2e
rgbrgb(102, 62, 46)
hslhsl(17, 38%, 29%)
oklchoklch(0.407 0.062 42.5)
Closest name: Brunette (#664238)Relative luminance 0.0647

Colors that go with #663e2e

Teal, Copper and Hunter Green 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 #663e2e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2e5666

#662e3a · #665a2e

#2e663e · #3e2e66

Split-complementary

Open in tool →

#2e665a · #2e3a66

#3a662e · #2e5666 · #5a2e66

Contrast

#663e2e as textRatioAAAA largeAAAFix
Aaon white
9.16:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #a5644a as the text (4.52:1)
  • AAA: use #c08872 as the text (7.01:1)
  • AA: or shift the background to #b8b8b8 (4.62:1)
  • AAA: or shift the background to #e3e3e3 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #663e2e 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

#663e2e reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #663e2e
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 #663e2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/663e2e-c4ac9c-62cbb6-2d291f-f1e9eb?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