Color

#3ecc76

#3ecc76
hex#3ecc76
rgbrgb(62, 204, 118)
hslhsl(144, 58%, 52%)
oklchoklch(0.75 0.172 152.4)
Closest name: Emerald Green (#50c878)Relative luminance 0.4552

Colors that go with #3ecc76

Charcoal, Mustard Yellow 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 →

#cc3e93

#4ccc3e · #3eccbd

#763ecc · #cc763e

Split-complementary

Open in tool →

#bd3ecc · #cc3e4c

#3e4ccc · #cc3e93 · #ccbd3e

Contrast

#3ecc76 as textRatioAAAA largeAAAFix
Aaon white
2.08:1failfailfail
  • AA: use #23854a as the text (4.64:1)
  • AAA: use #1b6538 as the text (7.08:1)
  • AA: or shift the background to #454545 (4.61:1)
  • AAA: or shift the background to #262626 (7.28:1)
Aaon black
10.1:1passpasspassPasses 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 #3ecc76 as the background.

Brands using this color

mcpConnect your agent — build around #3ecc76
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 #3ecc76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ecc76-a2beb0-ca59d4-1f2d2b-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