Color

#81a136

#81a136
hex#81a136
rgbrgb(129, 161, 54)
hslhsl(78, 50%, 42%)
oklchoklch(0.663 0.138 124.4)
Closest name: Densetsu Green (#889911)Relative luminance 0.3042

Colors that go with #81a136

Charcoal, Medium Purple and Dark Olive Green 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 →

#5636a1

#a18b36 · #4ba136

#3681a1 · #a13681

Split-complementary

Open in tool →

#364ba1 · #8b36a1

#36a18b · #5636a1 · #a1364b

Contrast

#81a136 as textRatioAAAA largeAAAFix
Aaon white
2.96:1failfailfail
  • AA: use #657e2a as the text (4.59:1)
  • AAA: use #495c1f as the text (7.41:1)
  • AA: or shift the background to #2e2e2e (4.58:1)
  • AAA: or shift the background to #000000 (7.08:1)
Aaon black
7.08:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #81a136 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #81a136
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 #81a136 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81a136-b2bea2-4e69df-232d1f-f1f0e9?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