Color

#3eef79

#3eef79
hex#3eef79
rgbrgb(62, 239, 121)
hslhsl(140, 85%, 59%)
oklchoklch(0.839 0.213 149.6)
Closest name: Emerald Ice Palace (#2af589)Relative luminance 0.6414

Colors that go with #3eef79

Deep Sky Blue, Taupe and Violet 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 →

#ef3eb4

#5bef3e · #3eefd2

#793eef · #ef793e

Split-complementary

Open in tool →

#d23eef · #ef3e5b

#3e5bef · #ef3eb4 · #efd23e

Contrast

#3eef79 as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #0b8935 as the text (4.52:1)
  • AAA: use #086326 as the text (7.44:1)
  • AA: or shift the background to #595959 (4.61:1)
  • AAA: or shift the background to #3d3d3d (7.15:1)
Aaon black
13.83:1passpasspassPasses 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 #3eef79 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 #3eef79
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 #3eef79 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3eef79-a2beaf-c259d4-1f2d2a-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