#3FDE40#3FDE40

#3FDE40 is a light, highly saturated green. Relative luminance 0.537; OKLCH L 79.0% C 0.236 H 143.0°. Best body text is #000000 at 11.73:1 contrast (WCAG AA passes).

Color values

HEX#3FDE40
RGBrgb(63, 222, 64)
HSLhsl(120, 71%, 56%)
HSVhsv(120, 72%, 87%)
CMYKcmyk(71.6%, 0%, 71.2%, 12.9%)
CIE-LABlab(78.27, -69.35, 62.37)
CIE-LCHlch(78.27, 93.27, 138.03°)
OKLaboklab(78.98% -0.1882 0.1418)
OKLCHoklch(78.98% 0.236 143)
XYZxyz(29.0948, 53.6662, 13.6748)
Luminance0.5367 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FDE40 #DE3FDD
analogous
#8EDE3F #3FDE40 #3FDE8F
triadic
#3FDE40 #403FDE #DE403F
tetradic
#3FDE40 #3F8EDE #DE3FDD #DE8F3F
square
#3FDE40 #3F8EDE #DE3FDD #DE8F3F
split-complementary
#3FDE40 #8F3FDE #DE3F8E
monochromatic
#188B19 #21BF22 #3FDE40 #73E774 #A7F0A8

Accessibility & contrast

On white

1.79
#3FDE40 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.73
#3FDE40 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FDE40
11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FDE40#FFFFFF#000000##000000
##3FDE401.001.7911.7311.73
#FFFFFF1.791.0021.0021.00
#00000011.7321.001.001.00
##00000011.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#E3C925
Deuteranopia (green-blind)
#D1BD50
Tritanopia (blue-blind)
#00D8BF
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #3fde40;
/* rgb */ color: rgb(63, 222, 64);
/* oklch */ color: oklch(79.0% 0.236 143.0);
Tailwind
colors: {
  custom: {
    50: '#8bea7e',
    500: '#3fde40',
    950: '#000000',
  },
}
SCSS
$custom: #3fde40;
$custom-light: #8bea7e;
$custom-dark: #000000;
JSON
{
  "hex": "#3fde40",
  "rgb": {
    "r": 63,
    "g": 222,
    "b": 64
  },
  "hsl": {
    "h": 120.377,
    "s": 70.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.78984,
    "c": 0.23564,
    "h": 143
  },
  "luminance": 0.53669
}

Semantic roles & 50–950 ramp

primary
#3FDE40
secondary
#903190
accent
#3AECED
background
#FCFFFB
surface
#F5FEF2
border
#CFD6CC
text
#0E160A
muted
#7F857D

Preview Lab

Preview with #3FDE40

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#3FDE40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva