Color

#18ec89

#18ec89
hex#18ec89
rgbrgb(24, 236, 137)
hslhsl(152, 85%, 51%)
oklchoklch(0.83 0.203 154.6)
Closest name: Emerald Ice Palace (#2af589)Relative luminance 0.6199

Colors that go with #18ec89

Deep Sky Blue, Taupe and Violet 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 →

#ec187b

#18ec1f · #18e5ec

#8918ec · #ec8918

Split-complementary

Open in tool →

#ec18e5 · #ec1f18

#1f18ec · #ec187b · #e5ec18

Contrast

#18ec89 as textRatioAAAA largeAAAFix
Aaon white
1.57:1failfailfail
  • AA: use #0b844b as the text (4.76:1)
  • AAA: use #086339 as the text (7.36:1)
  • AA: or shift the background to #575757 (4.61:1)
  • AAA: or shift the background to #3b3b3b (7.15:1)
Aaon black
13.4:1passpasspassPasses 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 #18ec89 as the background.

Brands using this color

mcpConnect your agent — build around #18ec89
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 #18ec89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18ec89-a2beb4-d459ce-1f2d2d-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