Color

#18af70

#18af70
hex#18af70
rgbrgb(24, 175, 112)
hslhsl(155, 76%, 39%)
oklchoklch(0.666 0.15 158.2)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3202

Colors that go with #18af70

Charcoal, Blue and Midnight 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 →

#af1857

#18af24 · #18a2af

#7018af · #af7018

Split-complementary

Open in tool →

#af18a2 · #af2418

#2418af · #af1857 · #a2af18

Contrast

#18af70 as textRatioAAAA largeAAAFix
Aaon white
2.84:1failfailfail
  • AA: use #128756 as the text (4.54:1)
  • AAA: use #0d633f as the text (7.31:1)
  • AA: or shift the background to #303030 (4.65:1)
  • AAA: or shift the background to #080808 (7.06:1)
Aaon black
7.4:1passpasspassPasses 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 #18af70 as the background.

Brands using this color

mcpConnect your agent — build around #18af70
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 #18af70 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18af70-a2beb6-d459c8-1f2d2d-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