Color

#3ddb6f

#3ddb6f
hex#3ddb6f
rgbrgb(61, 219, 111)
hslhsl(139, 69%, 55%)
oklchoklch(0.787 0.198 149.4)
Closest name: Green Priestess (#11dd55)Relative luminance 0.528

Colors that go with #3ddb6f

Blue, Deep Sky Blue and Royal Blue 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 →

#db3da9

#5adb3d · #3ddbbe

#6f3ddb · #db6f3d

Split-complementary

Open in tool →

#be3ddb · #db3d5a

#3d5adb · #db3da9 · #dbbe3d

Contrast

#3ddb6f as textRatioAAAA largeAAAFix
Aaon white
1.82:1failfailfail
  • AA: use #19863b as the text (4.65:1)
  • AAA: use #12632c as the text (7.38:1)
  • AA: or shift the background to #4f4f4f (4.51:1)
  • AAA: or shift the background to #303030 (7.27:1)
Aaon black
11.56:1passpasspassPasses 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 #3ddb6f as the background.

Brands using this color

mcpConnect your agent — build around #3ddb6f
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 #3ddb6f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ddb6f-a2beae-c059d4-1f2d2a-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