Color

#3eef52

#3eef52
hex#3eef52
rgbrgb(62, 239, 82)
hslhsl(127, 85%, 59%)
oklchoklch(0.835 0.243 144.5)
Closest name: Becquerel (#4bec13)Relative luminance 0.6337

Colors that go with #3eef52

Taupe, Violet and Deep Sky 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 →

#ef3edb

#82ef3e · #3eefab

#523eef · #ef523e

Split-complementary

Open in tool →

#ab3eef · #ef3e82

#3e82ef · #ef3edb · #efab3e

Contrast

#3eef52 as textRatioAAAA largeAAAFix
Aaon white
1.54:1failfailfail
  • AA: use #0b891a as the text (4.56:1)
  • AAA: use #086313 as the text (7.49:1)
  • AA: or shift the background to #595959 (4.56:1)
  • AAA: or shift the background to #3d3d3d (7.07:1)
Aaon black
13.67:1passpasspassPasses 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 #3eef52 as the background.

Brands using this color

mcpConnect your agent — build around #3eef52
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 #3eef52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3eef52-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