Color

#12811f

#12811f
hex#12811f
rgbrgb(18, 129, 31)
hslhsl(127, 76%, 29%)
oklchoklch(0.526 0.163 144)
Closest name: green (#008000)Relative luminance 0.1593

Colors that go with #12811f

Charcoal, Crimson and Royal 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 →

#821275

#3d8212 · #128257

#1f1282 · #821f12

Split-complementary

Open in tool →

#571282 · #82123d

#123d82 · #821275 · #825712

Contrast

#12811f as textRatioAAAA largeAAAFix
Aaon white
5.02:1passpassfail
  • AAA: use #0e6718 as the text (7.07:1)
Aaon black
4.19:1failpassfail
  • AA: use #128720 as the text (4.51:1)
  • AAA: use #18af2a as the text (7.2:1)
  • AA: or shift the background to #f5f5f5 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12811f as the background.

Brands using this color

Fonts for this mood

#12811f reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12811f
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 #12811f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12811f-a2bea8-aa4edf-1f2d27-ecf1e9?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