Color

#3ccd57

#3ccd57
hex#3ccd57
rgbrgb(60, 205, 87)
hslhsl(131, 59%, 52%)
oklchoklch(0.747 0.201 146.2)
Closest name: Battletoad (#11cc55)Relative luminance 0.4531

Colors that go with #3ccd57

Blue, Charcoal 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 →

#cd3cb2

#6acd3c · #3ccd9f

#573ccd · #cd573c

Split-complementary

Open in tool →

#9f3ccd · #cd3c6a

#3c6acd · #cd3cb2 · #cd9f3c

Contrast

#3ccd57 as textRatioAAAA largeAAAFix
Aaon white
2.09:1failfailfail
  • AA: use #238635 as the text (4.63:1)
  • AAA: use #1a6528 as the text (7.15:1)
  • AA: or shift the background to #454545 (4.59:1)
  • AAA: or shift the background to #262626 (7.25:1)
Aaon black
10.06:1passpasspassPasses 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 #3ccd57 as the background.

Brands using this color

mcpConnect your agent — build around #3ccd57
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 #3ccd57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ccd57-a2beaa-b34edf-1f2d28-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