Color

#128143

#128143
hex#128143
rgbrgb(18, 129, 67)
hslhsl(146, 76%, 29%)
oklchoklch(0.531 0.133 152.1)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1623

Colors that go with #128143

Charcoal, Royal Blue and Medium Violet Red 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 →

#821251

#198212 · #12827b

#421282 · #824212

Split-complementary

Open in tool →

#7b1282 · #821219

#121982 · #821251 · #827b12

Contrast

#128143 as textRatioAAAA largeAAAFix
Aaon white
4.94:1passpassfail
  • AAA: use #0d6332 as the text (7.37:1)
Aaon black
4.25:1failpassfail
  • AA: use #128745 as the text (4.58:1)
  • AAA: use #18af59 as the text (7.32:1)
  • AA: or shift the background to #f5f5f5 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #128143 as the background.

Brands using this color

Fonts for this mood

#128143 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #128143
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 #128143 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/128143-a2beb1-ce59d4-1f2d2b-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