Color

#3dd13f

#3dd13f
hex#3dd13f
rgbrgb(61, 209, 63)
hslhsl(121, 62%, 53%)
oklchoklch(0.756 0.223 143.1)
Closest name: Lime Green (#32cd32)Relative luminance 0.4695

Colors that go with #3dd13f

Taupe, Violet and Hot Pink 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 →

#d13dcf

#85d13d · #3dd18a

#3f3dd1 · #d13f3d

Split-complementary

Open in tool →

#8a3dd1 · #d13d85

#3d85d1 · #d13dcf · #d18a3d

Contrast

#3dd13f as textRatioAAAA largeAAAFix
Aaon white
2.02:1failfailfail
  • AA: use #208822 as the text (4.56:1)
  • AAA: use #18671a as the text (7.01:1)
  • AA: or shift the background to #474747 (4.6:1)
  • AAA: or shift the background to #2b2b2b (7.01:1)
Aaon black
10.39:1passpasspassPasses 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 #3dd13f 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 #3dd13f
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 #3dd13f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dd13f-a2bea6-9b4edf-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