Color

#51563e

#51563e
hex#51563e
rgbrgb(81, 86, 62)
hslhsl(73, 16%, 29%)
oklchoklch(0.442 0.038 117.5)
Closest name: Heavy Green (#49583e)Relative luminance 0.0875

Tints & shades

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

Harmonies

Complementary

Open in tool →

#433e56

#564f3e · #45563e

#3e5156 · #563e51

Split-complementary

Open in tool →

#3e4556 · #4f3e56

#3e564f · #433e56 · #563e45

Contrast

#51563e as textRatioAAAA largeAAAFix
Aaon white
7.63:1passpasspassPasses AAA — no fix needed.
Aaon black
2.75:1failfailfail
  • AA: use #727958 as the text (4.59:1)
  • AAA: use #929a74 as the text (7.1:1)
  • AA: or shift the background to #c7c7c7 (4.52:1)
  • AAA: or shift the background to #f5f5f5 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51563e 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

#51563e reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51563e
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 #51563e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51563e-b5bea2-4e75df-242d1f-f1efe9?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