Color

#819f2d

#819f2d
hex#819f2d
rgbrgb(129, 159, 45)
hslhsl(76, 56%, 40%)
oklchoklch(0.658 0.142 123.2)
Closest name: Densetsu Green (#889911)Relative luminance 0.2965

Colors that go with #819f2d

Charcoal, Medium Purple and Blue 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 →

#4b2d9f

#9f842d · #489f2d

#2d819f · #9f2d81

Split-complementary

Open in tool →

#2d489f · #842d9f

#2d9f84 · #4b2d9f · #9f2d48

Contrast

#819f2d as textRatioAAAA largeAAAFix
Aaon white
3.03:1failpassfail
  • AA: use #677f24 as the text (4.53:1)
  • AAA: use #4d5f1b as the text (7.07:1)
  • AA: or shift the background to #2b2b2b (4.67:1)
Aaon black
6.93:1passpassfail
  • AAA: use #84a32e as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #819f2d 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 #819f2d
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 #819f2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/819f2d-b3bea2-4e6edf-232d1f-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