Color

#3cec51

#3cec51
hex#3cec51
rgbrgb(60, 236, 81)
hslhsl(127, 82%, 58%)
oklchoklch(0.827 0.241 144.5)
Closest name: Becquerel (#4bec13)Relative luminance 0.6155

Colors that go with #3cec51

Taupe, Violet and Dark Orange 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 →

#ec3cd7

#7fec3c · #3ceca8

#513cec · #ec513c

Split-complementary

Open in tool →

#a83cec · #ec3c7f

#3c7fec · #ec3cd7 · #eca83c

Contrast

#3cec51 as textRatioAAAA largeAAAFix
Aaon white
1.58:1failfailfail
  • AA: use #0d871b as the text (4.67:1)
  • AAA: use #0a6615 as the text (7.18:1)
  • AA: or shift the background to #575757 (4.58:1)
  • AAA: or shift the background to #3b3b3b (7.1:1)
Aaon black
13.31:1passpasspassPasses 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 #3cec51 as the background.

Brands using this color

mcpConnect your agent — build around #3cec51
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 #3cec51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cec51-a2bea8-aa4edf-1f2d27-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