Color

#819121

#819121
hex#819121
rgbrgb(129, 145, 33)
hslhsl(69, 63%, 35%)
oklchoklch(0.623 0.132 117.7)
Closest name: Chorus of Frogs (#8c9632)Relative luminance 0.2503

Colors that go with #819121

Charcoal, Crimson 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 →

#322191

#916a21 · #489121

#218191 · #912181

Split-complementary

Open in tool →

#214891 · #6a2191

#21916a · #322191 · #912148

Contrast

#819121 as textRatioAAAA largeAAAFix
Aaon white
3.5:1failpassfail
  • AA: use #6e7d1c as the text (4.55:1)
  • AAA: use #515b15 as the text (7.35:1)
  • AA: or shift the background to #212121 (4.6:1)
Aaon black
6.01:1passpassfail
  • AAA: use #8c9e24 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #819121 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 #819121
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 #819121 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/819121-b7bea2-4e7edf-252d1f-f1eee9?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