Color

#3eef49

#3eef49
hex#3eef49
rgbrgb(62, 239, 73)
hslhsl(124, 85%, 59%)
oklchoklch(0.834 0.249 143.7)
Closest name: Becquerel (#4bec13)Relative luminance 0.6324

Colors that go with #3eef49

Violet, Deep Sky Blue and Hot Pink 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 →

#ef3ee3

#8bef3e · #3eefa2

#493eef · #ef493e

Split-complementary

Open in tool →

#a23eef · #ef3e8b

#3e8bef · #ef3ee3 · #efa23e

Contrast

#3eef49 as textRatioAAAA largeAAAFix
Aaon white
1.54:1failfailfail
  • AA: use #0b8913 as the text (4.56:1)
  • AAA: use #08680f as the text (7.01:1)
  • AA: or shift the background to #595959 (4.55:1)
  • AAA: or shift the background to #3d3d3d (7.06:1)
Aaon black
13.65:1passpasspassPasses 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 #3eef49 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #3eef49
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 #3eef49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3eef49-a2bea7-a24edf-1f2d26-edf1e9?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