Color

#663d15

#663d15
hex#663d15
rgbrgb(102, 61, 21)
hslhsl(30, 66%, 24%)
oklchoklch(0.401 0.078 61.2)
Closest name: Brown (#653700)Relative luminance 0.0622

Colors that go with #663d15

Hunter Green, Sage Green and Wheat 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 #663d15

Tints & shades

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

Harmonies

Complementary

Open in tool →

#153d66

#661515 · #666615

#15663d · #3d1566

Split-complementary

Open in tool →

#156666 · #151566

#156615 · #153d66 · #661566

Contrast

#663d15 as textRatioAAAA largeAAAFix
Aaon white
9.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #a96623 as the text (4.61:1)
  • AAA: use #d58230 as the text (7.06:1)
  • AA: or shift the background to #b5b5b5 (4.57:1)
  • AAA: or shift the background to #e0e0e0 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #663d15 as the background.

Brands using this color

Fonts for this mood

#663d15 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #663d15
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 #663d15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/663d15-c4b59c-62c9cb-2d2c1f-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