Color

#3ec177

#3ec177
hex#3ec177
rgbrgb(62, 193, 119)
hslhsl(146, 51%, 50%)
oklchoklch(0.722 0.157 154.3)
Closest name: Emerald Green (#50c878)Relative luminance 0.405

Colors that go with #3ec177

Charcoal, Blue and Cornflower 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 →

#c13e88

#47c13e · #3ec1b8

#773ec1 · #c1773e

Split-complementary

Open in tool →

#b83ec1 · #c13e47

#3e47c1 · #c13e88 · #c1b83e

Contrast

#3ec177 as textRatioAAAA largeAAAFix
Aaon white
2.31:1failfailfail
  • AA: use #2a8351 as the text (4.7:1)
  • AAA: use #20643e as the text (7.11:1)
  • AA: or shift the background to #3d3d3d (4.71:1)
  • AAA: or shift the background to #1f1f1f (7.14:1)
Aaon black
9.1:1passpasspassPasses 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 #3ec177 as the background.

Brands using this color

mcpConnect your agent — build around #3ec177
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 #3ec177 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ec177-a2beb1-ce59d4-1f2d2b-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