Color

#663d2e

#663d2e
hex#663d2e
rgbrgb(102, 61, 46)
hslhsl(16, 38%, 29%)
oklchoklch(0.405 0.063 40.8)
Closest name: Brunette (#664238)Relative luminance 0.0636

Colors that go with #663d2e

Teal, Copper and Denim 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 #663d2e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2e5766

#662e3b · #66592e

#2e663d · #3d2e66

Split-complementary

Open in tool →

#2e6659 · #2e3b66

#3b662e · #2e5766 · #592e66

Contrast

#663d2e as textRatioAAAA largeAAAFix
Aaon white
9.24:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #a9654c as the text (4.65:1)
  • AAA: use #c18a76 as the text (7.16:1)
  • AA: or shift the background to #b5b5b5 (4.51:1)
  • AAA: or shift the background to #e0e0e0 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #663d2e 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

#663d2e reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #663d2e
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 #663d2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/663d2e-c4ab9c-62cbb4-2d291f-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