Color

#34cb80

#34cb80
hex#34cb80
rgbrgb(52, 203, 128)
hslhsl(150, 59%, 50%)
oklchoklch(0.747 0.165 156.2)
Closest name: Emerald Green (#50c878)Relative luminance 0.45

Colors that go with #34cb80

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 →

#cb3480

#34cb34 · #34cbcb

#8034cb · #cb8034

Split-complementary

Open in tool →

#cb34cb · #cb3434

#3434cb · #cb3480 · #cbcb34

Contrast

#34cb80 as textRatioAAAA largeAAAFix
Aaon white
2.1:1failfailfail
  • AA: use #238654 as the text (4.56:1)
  • AAA: use #1a6540 as the text (7.05:1)
  • AA: or shift the background to #454545 (4.57:1)
  • AAA: or shift the background to #262626 (7.21:1)
Aaon black
10:1passpasspassPasses 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 #34cb80 as the background.

Brands using this color

mcpConnect your agent — build around #34cb80
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 #34cb80 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34cb80-a2beb3-d459d2-1f2d2c-e9f1ea?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