Color

#3bbf44

#3bbf44
hex#3bbf44
rgbrgb(59, 191, 68)
hslhsl(124, 53%, 49%)
oklchoklch(0.708 0.199 144.1)
Closest name: Exit Light (#55bb33)Relative luminance 0.3861

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#bf3bb6

#74bf3b · #3bbf86

#443bbf · #bf443b

Split-complementary

Open in tool →

#863bbf · #bf3b74

#3b74bf · #bf3bb6 · #bf863b

Contrast

#3bbf44 as textRatioAAAA largeAAAFix
Aaon white
2.41:1failfailfail
  • AA: use #29852f as the text (4.68:1)
  • AAA: use #1f6524 as the text (7.13:1)
  • AA: or shift the background to #3d3d3d (4.51:1)
  • AAA: or shift the background to #1c1c1c (7.08:1)
Aaon black
8.72:1passpasspassPasses 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 #3bbf44 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #3bbf44
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3bbf44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bbf44-a2bea7-a24edf-1f2d26-edf1e9?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