Color

#511d00

#511d00
hex#511d00
rgbrgb(81, 29, 0)
hslhsl(21, 100%, 16%)
oklchoklch(0.306 0.087 45.4)
Closest name: Evil Cigar (#522000)Relative luminance 0.0263

Tints & shades

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

Harmonies

Complementary

Open in tool →

#003552

#52000c · #524500

#00521d · #1d0052

Split-complementary

Open in tool →

#005245 · #000c52

#0c5200 · #003552 · #450052

Contrast

#511d00 as textRatioAAAA largeAAAFix
Aaon white
13.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.53:1failfailfail
  • AA: use #d14900 as the text (4.66:1)
  • AAA: use #ff630f as the text (7.04:1)
  • AA: or shift the background to #949494 (4.54:1)
  • AAA: or shift the background to #bababa (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #511d00 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

#511d00 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #511d00
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 #511d00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/511d00-c4af9c-62cbbd-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