Color

#3bc474

#3bc474
hex#3bc474
rgbrgb(59, 196, 116)
hslhsl(145, 54%, 50%)
oklchoklch(0.728 0.164 153.2)
Closest name: Emerald Green (#50c878)Relative luminance 0.4167

Colors that go with #3bc474

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 →

#c43b8b

#46c43b · #3bc4b9

#743bc4 · #c4743b

Split-complementary

Open in tool →

#b93bc4 · #c43b46

#3b46c4 · #c43b8b · #c4b93b

Contrast

#3bc474 as textRatioAAAA largeAAAFix
Aaon white
2.25:1failfailfail
  • AA: use #28864f as the text (4.55:1)
  • AAA: use #1d623a as the text (7.34:1)
  • AA: or shift the background to #404040 (4.61:1)
  • AAA: or shift the background to #212121 (7.16:1)
Aaon black
9.33:1passpasspassPasses 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 #3bc474 as the background.

Brands using this color

mcpConnect your agent — build around #3bc474
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 #3bc474 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bc474-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