Color

#18ecc9

#18ecc9
hex#18ecc9
rgbrgb(24, 236, 201)
hslhsl(170, 85%, 51%)
oklchoklch(0.844 0.155 176.5)
Closest name: Fake Jade (#13eac9)Relative luminance 0.644

Colors that go with #18ecc9

Charcoal, Crimson and Deep Sky Blue 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 →

#ec183b

#18ec5f · #18a5ec

#c918ec · #ecc918

Split-complementary

Open in tool →

#ec18a5 · #ec5f18

#5f18ec · #ec183b · #a5ec18

Contrast

#18ecc9 as textRatioAAAA largeAAAFix
Aaon white
1.51:1failfailfail
  • AA: use #0b8470 as the text (4.62:1)
  • AAA: use #086354 as the text (7.18:1)
  • AA: or shift the background to #595959 (4.63:1)
  • AAA: or shift the background to #3d3d3d (7.18:1)
Aaon black
13.88:1passpasspassPasses 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 #18ecc9 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #18ecc9
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 #18ecc9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18ecc9-a2bebd-d459a9-1f292d-e9f1ec?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