Color

#663c2e

#663c2e
hex#663c2e
rgbrgb(102, 60, 46)
hslhsl(15, 38%, 29%)
oklchoklch(0.403 0.064 39.2)
Closest name: Brunette (#664238)Relative luminance 0.0625

Colors that go with #663c2e

Teal, Copper and Crimson 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 #663c2e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2e5866

#662e3c · #66582e

#2e663c · #3c2e66

Split-complementary

Open in tool →

#2e6658 · #2e3c66

#3c662e · #2e5866 · #582e66

Contrast

#663c2e as textRatioAAAA largeAAAFix
Aaon white
9.33:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #a9634c as the text (4.58:1)
  • AAA: use #c18976 as the text (7.11:1)
  • AA: or shift the background to #b5b5b5 (4.55:1)
  • AAA: or shift the background to #e0e0e0 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #663c2e 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

#663c2e reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #663c2e
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 #663c2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/663c2e-c4ab9c-62cbb2-2d291f-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