Color

#815b37

#815b37
hex#815b37
rgbrgb(129, 91, 55)
hslhsl(29, 40%, 36%)
oklchoklch(0.503 0.071 63.5)
Closest name: Autumn Gold (#7d623c)Relative luminance 0.1243

Colors that go with #815b37

Champagne, Copper and Royal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#375d81

#813738 · #817f37

#37815b · #5b3781

Split-complementary

Open in tool →

#37817f · #373881

#388137 · #375d81 · #7f3781

Contrast

#815b37 as textRatioAAAA largeAAAFix
Aaon white
6.03:1passpassfail
  • AAA: use #725131 as the text (7.15:1)
Aaon black
3.49:1failpassfail
  • AA: use #9a6c42 as the text (4.6:1)
  • AAA: use #bc8d62 as the text (7.12:1)
  • AA: or shift the background to #e0e0e0 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #815b37 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#815b37 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #815b37
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 #815b37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/815b37-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