Color

#00511b

#00511b
hex#00511b
rgbrgb(0, 81, 27)
hslhsl(140, 100%, 16%)
oklchoklch(0.379 0.111 147.7)
Closest name: Mysterious Mixture (#0f521a)Relative luminance 0.0596

Tints & shades

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

Harmonies

Complementary

Open in tool →

#520036

#0e5200 · #005244

#1b0052 · #521b00

Split-complementary

Open in tool →

#440052 · #52000e

#000e52 · #520036 · #524400

Contrast

#00511b as textRatioAAAA largeAAAFix
Aaon white
9.58:1passpasspassPasses AAA — no fix needed.
Aaon black
2.19:1failfailfail
  • AA: use #008a2e as the text (4.67:1)
  • AAA: use #00ad3a as the text (7.04:1)
  • AA: or shift the background to #b3b3b3 (4.57:1)
  • AAA: or shift the background to #dedede (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #00511b 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

#00511b reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00511b
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 #00511b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00511b-a2beaf-c259d4-1f2d2a-ebf1e9?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