Color

#3bd877

#3bd877
hex#3bd877
rgbrgb(59, 216, 119)
hslhsl(143, 67%, 54%)
oklchoklch(0.78 0.187 151.5)
Closest name: Envy’s Love (#2dd78d)Relative luminance 0.5137

Colors that go with #3bd877

Blue, Charcoal and Deep Sky 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 →

#d83b9c

#4dd83b · #3bd8c6

#773bd8 · #d8773b

Split-complementary

Open in tool →

#c63bd8 · #d83b4d

#3b4dd8 · #d83b9c · #d8c63b

Contrast

#3bd877 as textRatioAAAA largeAAAFix
Aaon white
1.86:1failfailfail
  • AA: use #1b8845 as the text (4.51:1)
  • AAA: use #146634 as the text (7.05:1)
  • AA: or shift the background to #4d4d4d (4.54:1)
  • AAA: or shift the background to #303030 (7.09:1)
Aaon black
11.27:1passpasspassPasses 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 #3bd877 as the background.

Brands using this color

mcpConnect your agent — build around #3bd877
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 #3bd877 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bd877-a2beb0-c859d4-1f2d2b-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