#3FDB40#3FDB40

#3FDB40 is a light, highly saturated green. Relative luminance 0.521; OKLCH L 78.2% C 0.232 H 143.0°. Best body text is #000000 at 11.42:1 contrast (WCAG AA passes).

Color values

HEX#3FDB40
RGBrgb(63, 219, 64)
HSLhsl(120, 68%, 55%)
HSVhsv(120, 71%, 86%)
CMYKcmyk(71.2%, 0%, 70.8%, 14.1%)
CIE-LABlab(77.33, -68.40, 61.41)
CIE-LCHlch(77.33, 91.92, 138.08°)
OKLaboklab(78.21% -0.1856 0.1398)
OKLCHoklch(78.21% 0.232 143)
XYZxyz(28.3051, 52.0868, 13.4115)
Luminance0.5209 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FDB40 #DB3FDA
analogous
#8CDB3F #3FDB40 #3FDB8E
triadic
#3FDB40 #403FDB #DB403F
tetradic
#3FDB40 #3F8CDB #DB3FDA #DB8E3F
square
#3FDB40 #3F8CDB #DB3FDA #DB8E3F
split-complementary
#3FDB40 #8E3FDB #DB3F8C
monochromatic
#19861A #23BA24 #3FDB40 #73E573 #A6EEA7

Accessibility & contrast

On white

1.84
#3FDB40 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.42
#3FDB40 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FDB40
11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FDB40#FFFFFF#000000##000000
##3FDB401.001.8411.4211.42
#FFFFFF1.841.0021.0021.00
#00000011.4221.001.001.00
##00000011.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E0C626
Deuteranopia (green-blind)
#CEBA50
Tritanopia (blue-blind)
#00D5BC
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #3fdb40;
/* rgb */ color: rgb(63, 219, 64);
/* oklch */ color: oklch(78.2% 0.232 143.0);
Tailwind
colors: {
  custom: {
    50: '#8ae77d',
    500: '#3fdb40',
    950: '#000000',
  },
}
SCSS
$custom: #3fdb40;
$custom-light: #8ae77d;
$custom-dark: #000000;
JSON
{
  "hex": "#3fdb40",
  "rgb": {
    "r": 63,
    "g": 219,
    "b": 64
  },
  "hsl": {
    "h": 120.385,
    "s": 68.421,
    "l": 55.294
  },
  "oklch": {
    "l": 0.78209,
    "c": 0.23237,
    "h": 143
  },
  "luminance": 0.5209
}

Semantic roles & 50–950 ramp

primary
#3FDB40
secondary
#8D328C
accent
#3DEAEB
background
#FCFEFB
surface
#F5FDF2
border
#CFD5CC
text
#0E160A
muted
#7F847D

Preview Lab

Preview with #3FDB40

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

Preview Lab → · Contrast checker → · Palette generator →

#3FDB40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva