Color

#51855f

#51855f
hex#51855f
rgbrgb(81, 133, 95)
hslhsl(136, 24%, 42%)
oklchoklch(0.569 0.081 151.7)
Closest name: Clouded Pine (#628468)Relative luminance 0.1935

Colors that go with #51855f

Charcoal, Blue and Burlywood 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 →

#855177

#5d8551 · #518579

#5f5185 · #855f51

Split-complementary

Open in tool →

#795185 · #85515d

#515d85 · #855177 · #857951

Contrast

#51855f as textRatioAAAA largeAAAFix
Aaon white
4.31:1failpassfail
  • AA: use #4e7e5b as the text (4.71:1)
  • AAA: use #3a5f44 as the text (7.24:1)
  • AA: or shift the background to #0d0d0d (4.51:1)
Aaon black
4.87:1passpassfail
  • AAA: use #67a277 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51855f 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

mcpConnect your agent — build around #51855f
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 #51855f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51855f-a2bead-b959d4-1f2d29-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