Color

#3dd149

#3dd149
hex#3dd149
rgbrgb(61, 209, 73)
hslhsl(125, 62%, 53%)
oklchoklch(0.757 0.216 144.2)
Closest name: Lime Green (#32cd32)Relative luminance 0.4707

Colors that go with #3dd149

Blue, Taupe and Violet 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 →

#d13dc5

#7bd13d · #3dd194

#493dd1 · #d1493d

Split-complementary

Open in tool →

#943dd1 · #d13d7b

#3d7bd1 · #d13dc5 · #d1943d

Contrast

#3dd149 as textRatioAAAA largeAAAFix
Aaon white
2.02:1failfailfail
  • AA: use #208829 as the text (4.55:1)
  • AAA: use #18671f as the text (7:1)
  • AA: or shift the background to #474747 (4.61:1)
  • AAA: or shift the background to #2b2b2b (7.02:1)
Aaon black
10.41:1passpasspassPasses 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 #3dd149 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 #3dd149
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 #3dd149 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dd149-a2bea7-a54edf-1f2d26-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