Color

#66513d

#66513d
hex#66513d
rgbrgb(102, 81, 61)
hslhsl(29, 25%, 32%)
oklchoklch(0.451 0.042 65.1)
Closest name: Bison (#6e4f3a)Relative luminance 0.0905

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d5266

#663d3e · #66653d

#3d6651 · #513d66

Split-complementary

Open in tool →

#3d6665 · #3d3e66

#3e663d · #3d5266 · #653d66

Contrast

#66513d as textRatioAAAA largeAAAFix
Aaon white
7.48:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #8c6f54 as the text (4.52:1)
  • AAA: use #ad9076 as the text (7.03:1)
  • AA: or shift the background to #c9c9c9 (4.51:1)
  • AAA: or shift the background to #fafafa (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #66513d 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

#66513d reads as warm, muted, editorial. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #66513d
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 #66513d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66513d-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