Color

#18c985

#18c985
hex#18c985
rgbrgb(24, 201, 133)
hslhsl(157, 79%, 44%)
oklchoklch(0.739 0.164 159.6)
Closest name: Emerald Green (#50c878)Relative luminance 0.4366

Colors that go with #18c985

Charcoal, Hot Pink 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 →

#c9185c

#18c92c · #18b4c9

#8518c9 · #c98518

Split-complementary

Open in tool →

#c918b4 · #c92c18

#2c18c9 · #c9185c · #b4c918

Contrast

#18c985 as textRatioAAAA largeAAAFix
Aaon white
2.16:1failfailfail
  • AA: use #108458 as the text (4.7:1)
  • AAA: use #0c6442 as the text (7.2:1)
  • AA: or shift the background to #424242 (4.66:1)
  • AAA: or shift the background to #262626 (7.01:1)
Aaon black
9.73:1passpasspassPasses 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 #18c985 as the background.

Brands using this color

mcpConnect your agent — build around #18c985
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 #18c985 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18c985-a2beb7-d459c4-1f2c2d-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