Color

#3ecc6b

#3ecc6b
hex#3ecc6b
rgbrgb(62, 204, 107)
hslhsl(139, 58%, 52%)
oklchoklch(0.748 0.182 149.8)
Closest name: Emerald Green (#50c878)Relative luminance 0.4527

Colors that go with #3ecc6b

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 →

#cc3e9f

#58cc3e · #3eccb2

#6b3ecc · #cc6b3e

Split-complementary

Open in tool →

#b23ecc · #cc3e58

#3e58cc · #cc3e9f · #ccb23e

Contrast

#3ecc6b as textRatioAAAA largeAAAFix
Aaon white
2.09:1failfailfail
  • AA: use #238542 as the text (4.66:1)
  • AAA: use #1b6532 as the text (7.11:1)
  • AA: or shift the background to #454545 (4.59:1)
  • AAA: or shift the background to #262626 (7.25:1)
Aaon black
10.05:1passpasspassPasses 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 #3ecc6b as the background.

Brands using this color

mcpConnect your agent — build around #3ecc6b
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 #3ecc6b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ecc6b-a2beae-c059d4-1f2d2a-ebf1e9?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