Color

#188c2d

#188c2d
hex#188c2d
rgbrgb(24, 140, 45)
hslhsl(131, 71%, 32%)
oklchoklch(0.56 0.165 145.2)
Closest name: Forest Green (#228b22)Relative luminance 0.1914

Colors that go with #188c2d

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 →

#8c1876

#3c8c18 · #188c67

#2d188c · #8c2d18

Split-complementary

Open in tool →

#67188c · #8c183c

#183c8c · #8c1876 · #8c6718

Contrast

#188c2d as textRatioAAAA largeAAAFix
Aaon white
4.35:1failpassfail
  • AA: use #17872c as the text (4.63:1)
  • AAA: use #116420 as the text (7.32:1)
  • AA: or shift the background to #0a0a0a (4.55:1)
Aaon black
4.83:1passpassfail
  • AAA: use #1eae38 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #188c2d as the background.

Brands using this color

mcpConnect your agent — build around #188c2d
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 #188c2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/188c2d-a2beaa-b34edf-1f2d28-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