Color

#3fee79

#3fee79
hex#3fee79
rgbrgb(63, 238, 121)
hslhsl(140, 84%, 59%)
oklchoklch(0.837 0.212 149.6)
Closest name: Emerald Ice Palace (#2af589)Relative luminance 0.6359

Colors that go with #3fee79

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 →

#ee3fb4

#5cee3f · #3feed1

#793fee · #ee793f

Split-complementary

Open in tool →

#d13fee · #ee3f5c

#3f5cee · #ee3fb4 · #eed13f

Contrast

#3fee79 as textRatioAAAA largeAAAFix
Aaon white
1.53:1failfailfail
  • AA: use #0c8835 as the text (4.58:1)
  • AAA: use #096728 as the text (7.04:1)
  • AA: or shift the background to #595959 (4.58:1)
  • AAA: or shift the background to #3d3d3d (7.1:1)
Aaon black
13.72:1passpasspassPasses 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 #3fee79 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 #3fee79
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 #3fee79 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fee79-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