Color

#51994d

#51994d
hex#51994d
rgbrgb(81, 153, 77)
hslhsl(117, 33%, 45%)
oklchoklch(0.617 0.132 142.8)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2507

Colors that go with #51994d

Charcoal, Blue and Copper 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 →

#954d99

#77994d · #4d996f

#4d5199 · #994d51

Split-complementary

Open in tool →

#6f4d99 · #994d77

#4d7799 · #954d99 · #996f4d

Contrast

#51994d as textRatioAAAA largeAAAFix
Aaon white
3.49:1failpassfail
  • AA: use #468443 as the text (4.52:1)
  • AAA: use #346232 as the text (7.14:1)
  • AA: or shift the background to #212121 (4.61:1)
Aaon black
6.01:1passpassfail
  • AAA: use #5aaa55 as the text (7.32:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51994d as the background.

Brands using this color

mcpConnect your agent — build around #51994d
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 #51994d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51994d-a2bea4-924edf-1f2d25-edf1e9?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