Color

#51391f

#51391f
hex#51391f
rgbrgb(81, 57, 31)
hslhsl(31, 45%, 22%)
oklchoklch(0.365 0.052 67.2)
Closest name: Avocado Stone (#4e3e1f)Relative luminance 0.0477

Colors that go with #51391f

Teal, Steel Blue and Blue 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 #51391f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f3751

#51201f · #51511f

#1f5139 · #391f51

Split-complementary

Open in tool →

#1f5151 · #201f51

#1f5120 · #1f3751 · #511f51

Contrast

#51391f as textRatioAAAA largeAAAFix
Aaon white
10.74:1passpasspassPasses AAA — no fix needed.
Aaon black
1.95:1failfailfail
  • AA: use #9b6d3b as the text (4.64:1)
  • AAA: use #be8b55 as the text (7.01:1)
  • AA: or shift the background to #a8a8a8 (4.52:1)
  • AAA: or shift the background to #d1d1d1 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51391f 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

#51391f reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51391f
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 #51391f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51391f-c4b59c-62c7cb-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