Color

#3cc874

#3cc874
hex#3cc874
rgbrgb(60, 200, 116)
hslhsl(144, 56%, 51%)
oklchoklch(0.739 0.169 152.6)
Closest name: Emerald Green (#50c878)Relative luminance 0.4353

Colors that go with #3cc874

Charcoal, Blue and Mustard Yellow 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 →

#c83c90

#4ac83c · #3cc8ba

#743cc8 · #c8743c

Split-complementary

Open in tool →

#ba3cc8 · #c83c4a

#3c4ac8 · #c83c90 · #c8ba3c

Contrast

#3cc874 as textRatioAAAA largeAAAFix
Aaon white
2.16:1failfailfail
  • AA: use #26874d as the text (4.51:1)
  • AAA: use #1c6339 as the text (7.26:1)
  • AA: or shift the background to #424242 (4.64:1)
  • AAA: or shift the background to #242424 (7.17:1)
Aaon black
9.71:1passpasspassPasses 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 #3cc874 as the background.

Brands using this color

mcpConnect your agent — build around #3cc874
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 #3cc874 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cc874-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