Color

#3bb54d

#3bb54d
hex#3bb54d
rgbrgb(59, 181, 77)
hslhsl(129, 51%, 47%)
oklchoklch(0.683 0.18 145.7)
Closest name: Intoxicate (#11bb55)Relative luminance 0.3451

Colors that go with #3bb54d

Charcoal, Royal Blue and Taupe 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 →

#b53ba3

#66b53b · #3bb58a

#4d3bb5 · #b54d3b

Split-complementary

Open in tool →

#8a3bb5 · #b53b66

#3b66b5 · #b53ba3 · #b58a3b

Contrast

#3bb54d as textRatioAAAA largeAAAFix
Aaon white
2.66:1failfailfail
  • AA: use #2c8739 as the text (4.53:1)
  • AAA: use #20642b as the text (7.19:1)
  • AA: or shift the background to #363636 (4.55:1)
  • AAA: or shift the background to #121212 (7.05:1)
Aaon black
7.9:1passpasspassPasses 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 #3bb54d as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #3bb54d
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 #3bb54d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bb54d-a2bea9-ae4edf-1f2d27-ecf1e9?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