Color

#34b279

#34b279
hex#34b279
rgbrgb(52, 178, 121)
hslhsl(153, 55%, 45%)
oklchoklch(0.681 0.138 159.1)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3395

Colors that go with #34b279

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 →

#b2346c

#34b23a · #34acb2

#7934b2 · #b27934

Split-complementary

Open in tool →

#b234ac · #b23a34

#3a34b2 · #b2346c · #acb234

Contrast

#34b279 as textRatioAAAA largeAAAFix
Aaon white
2.7:1failfailfail
  • AA: use #27865b as the text (4.52:1)
  • AAA: use #1d6343 as the text (7.2:1)
  • AA: or shift the background to #333333 (4.69:1)
  • AAA: or shift the background to #0f0f0f (7.11:1)
Aaon black
7.79:1passpasspassPasses 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 #34b279 as the background.

Brands using this color

mcpConnect your agent — build around #34b279
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 #34b279 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34b279-a2beb5-d459cc-1f2d2d-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