Color

#2ecc70

#2ecc70
hex#2ecc70
rgbrgb(46, 204, 112)
hslhsl(145, 63%, 49%)
oklchoklch(0.746 0.182 152.1)
Closest name: Emerald Green (#50c878)Relative luminance 0.4494

Colors that go with #2ecc70

Charcoal, Blue and Royal 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 →

#cc2e8a

#3bcc2e · #2eccbf

#702ecc · #cc702e

Split-complementary

Open in tool →

#bf2ecc · #cc2e3b

#2e3bcc · #cc2e8a · #ccbf2e

Contrast

#2ecc70 as textRatioAAAA largeAAAFix
Aaon white
2.1:1failfailfail
  • AA: use #1e8549 as the text (4.66:1)
  • AAA: use #176437 as the text (7.21:1)
  • AA: or shift the background to #454545 (4.56:1)
  • AAA: or shift the background to #262626 (7.2:1)
Aaon black
9.99:1passpasspassPasses 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 #2ecc70 as the background.

Brands using this color

mcpConnect your agent — build around #2ecc70
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 #2ecc70 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2ecc70-a2beb1-cc59d4-1f2d2b-eaf1e9?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