Color

#818311

#818311
hex#818311
rgbrgb(129, 131, 17)
hslhsl(61, 77%, 29%)
oklchoklch(0.589 0.124 110.8)
Closest name: Olive Green (#808000)Relative luminance 0.2094

Colors that go with #818311

Charcoal, Royal Blue and Champagne 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 →

#131183

#834c11 · #488311

#118183 · #831181

Split-complementary

Open in tool →

#114883 · #4c1183

#11834c · #131183 · #831148

Contrast

#818311 as textRatioAAAA largeAAAFix
Aaon white
4.05:1failpassfail
  • AA: use #787a10 as the text (4.58:1)
  • AAA: use #595a0c as the text (7.26:1)
  • AA: or shift the background to #141414 (4.55:1)
Aaon black
5.19:1passpassfail
  • AAA: use #9c9e15 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 #818311 as the background.

Brands using this color

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

Fonts for this mood

#818311 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #818311
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 #818311 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/818311-babea2-4e92df-272d1f-f1ede9?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