Color

#3dd167

#3dd167
hex#3dd167
rgbrgb(61, 209, 103)
hslhsl(137, 62%, 53%)
oklchoklch(0.76 0.192 148.6)
Closest name: Battletoad (#11cc55)Relative luminance 0.4757

Colors that go with #3dd167

Blue, 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 →

#d13da7

#5dd13d · #3dd1b1

#673dd1 · #d1673d

Split-complementary

Open in tool →

#b13dd1 · #d13d5d

#3d5dd1 · #d13da7 · #d1b13d

Contrast

#3dd167 as textRatioAAAA largeAAAFix
Aaon white
2:1failfailfail
  • AA: use #20883e as the text (4.51:1)
  • AAA: use #17632d as the text (7.35:1)
  • AA: or shift the background to #474747 (4.65:1)
  • AAA: or shift the background to #2b2b2b (7.09:1)
Aaon black
10.51:1passpasspassPasses 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 #3dd167 as the background.

Brands using this color

mcpConnect your agent — build around #3dd167
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 #3dd167 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dd167-a2bead-bb59d4-1f2d29-ebf1e9?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