Color

#3bbf72

#3bbf72
hex#3bbf72
rgbrgb(59, 191, 114)
hslhsl(145, 53%, 49%)
oklchoklch(0.715 0.16 153.4)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3941

Colors that go with #3bbf72

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 →

#bf3b88

#46bf3b · #3bbfb4

#723bbf · #bf723b

Split-complementary

Open in tool →

#b43bbf · #bf3b46

#3b46bf · #bf3b88 · #bfb43b

Contrast

#3bbf72 as textRatioAAAA largeAAAFix
Aaon white
2.36:1failfailfail
  • AA: use #29854f as the text (4.6:1)
  • AAA: use #1f653c as the text (7.04:1)
  • AA: or shift the background to #3d3d3d (4.59:1)
  • AAA: or shift the background to #1c1c1c (7.21:1)
Aaon black
8.88:1passpasspassPasses 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 #3bbf72 as the background.

Brands using this color

mcpConnect your agent — build around #3bbf72
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 #3bbf72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bbf72-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