Color

#511e00

#511e00
hex#511e00
rgbrgb(81, 30, 0)
hslhsl(22, 100%, 16%)
oklchoklch(0.308 0.086 46.3)
Closest name: Evil Cigar (#522000)Relative luminance 0.0268

Colors that go with #511e00

Charcoal, Crimson 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 →

#003452

#52000b · #524700

#00521e · #1e0052

Split-complementary

Open in tool →

#005247 · #000b52

#0b5200 · #003452 · #470052

Contrast

#511e00 as textRatioAAAA largeAAAFix
Aaon white
13.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #cc4b00 as the text (4.57:1)
  • AAA: use #ff640a as the text (7.08:1)
  • AA: or shift the background to #949494 (4.51:1)
  • AAA: or shift the background to #bababa (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 #511e00 as the background.

Brands using this color

Fonts for this mood

#511e00 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #511e00
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 #511e00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/511e00-c4af9c-62cbbf-2d2a1f-f1e9ea?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