Color

#51371a

#51371a
hex#51371a
rgbrgb(81, 55, 26)
hslhsl(32, 51%, 21%)
oklchoklch(0.36 0.057 67.3)
Closest name: Avocado Stone (#4e3e1f)Relative luminance 0.0456

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1a3451

#511c1a · #4f511a

#1a5137 · #371a51

Split-complementary

Open in tool →

#1a4f51 · #1c1a51

#1a511c · #1a3451 · #511a4f

Contrast

#51371a as textRatioAAAA largeAAAFix
Aaon white
10.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #9e6c33 as the text (4.65:1)
  • AAA: use #c48b4a as the text (7.14:1)
  • AA: or shift the background to #a6a6a6 (4.51:1)
  • AAA: or shift the background to #cfcfcf (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51371a 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

#51371a reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51371a
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 #51371a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51371a-c4b69c-62c5cb-2d2d1f-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