Color

#12823f

#12823f
hex#12823f
rgbrgb(18, 130, 63)
hslhsl(144, 76%, 29%)
oklchoklch(0.533 0.139 150.6)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1645

Colors that go with #12823f

Charcoal, Royal Blue and Dark Orchid 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 →

#821255

#1d8212 · #128277

#3f1282 · #823f12

Split-complementary

Open in tool →

#771282 · #82121d

#121d82 · #821255 · #827712

Contrast

#12823f as textRatioAAAA largeAAAFix
Aaon white
4.89:1passpassfail
  • AAA: use #0d6330 as the text (7.38:1)
Aaon black
4.29:1failpassfail
  • AA: use #128741 as the text (4.57:1)
  • AAA: use #18af54 as the text (7.3:1)
  • AA: or shift the background to #f7f7f7 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12823f as the background.

Brands using this color

Fonts for this mood

#12823f reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12823f
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 #12823f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12823f-a2beb0-ca59d4-1f2d2b-eaf1e9?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