Color

#819933

#819933
hex#819933
rgbrgb(129, 153, 51)
hslhsl(74, 50%, 40%)
oklchoklch(0.644 0.13 121.5)
Closest name: Chorus of Frogs (#8c9632)Relative luminance 0.2769

Colors that go with #819933

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 →

#4b3399

#997e33 · #4e9933

#338199 · #993381

Split-complementary

Open in tool →

#334e99 · #7e3399

#33997e · #4b3399 · #99334e

Contrast

#819933 as textRatioAAAA largeAAAFix
Aaon white
3.21:1failpassfail
  • AA: use #6b7e2a as the text (4.52:1)
  • AAA: use #4e5c1f as the text (7.31:1)
  • AA: or shift the background to #292929 (4.53:1)
Aaon black
6.54:1passpassfail
  • AAA: use #88a136 as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #819933 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 #819933
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 #819933 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/819933-b4bea2-4e72df-242d1f-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