Color

#18cd76

#18cd76
hex#18cd76
rgbrgb(24, 205, 118)
hslhsl(151, 79%, 45%)
oklchoklch(0.746 0.182 154.4)
Closest name: Emerald Green (#50c878)Relative luminance 0.4516

Colors that go with #18cd76

Charcoal, Blue and Mustard Yellow 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 →

#cd1870

#18cd1b · #18cacd

#7618cd · #cd7618

Split-complementary

Open in tool →

#cd18ca · #cd1b18

#1b18cd · #cd1870 · #cacd18

Contrast

#18cd76 as textRatioAAAA largeAAAFix
Aaon white
2.09:1failfailfail
  • AA: use #10844c as the text (4.74:1)
  • AAA: use #0c643a as the text (7.24:1)
  • AA: or shift the background to #454545 (4.58:1)
  • AAA: or shift the background to #262626 (7.23:1)
Aaon black
10.03:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18cd76 as the background.

Brands using this color

mcpConnect your agent — build around #18cd76
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 #18cd76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18cd76-a2beb4-d459d0-1f2d2c-e9f1ea?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