#3FED40#3FED40

#3FED40 is a very light, highly saturated green. Relative luminance 0.620; OKLCH L 82.8% C 0.252 H 142.9°. Best body text is #000000 at 13.40:1 contrast (WCAG AA passes).

Color values

HEX#3FED40
RGBrgb(63, 237, 64)
HSLhsl(120, 83%, 59%)
HSVhsv(120, 73%, 93%)
CMYKcmyk(73.4%, 0%, 73%, 7.1%)
CIE-LABlab(82.91, -74.00, 67.10)
CIE-LCHlch(82.91, 99.89, 137.80°)
OKLaboklab(82.84% -0.2008 0.1517)
OKLCHoklch(82.84% 0.252 142.9)
XYZxyz(33.2574, 61.9915, 15.0623)
Luminance0.6200 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FED40 #ED3FEC
analogous
#95ED3F #3FED40 #3FED97
triadic
#3FED40 #403FED #ED403F
tetradic
#3FED40 #3F95ED #ED3FEC #ED973F
square
#3FED40 #3F95ED #ED3FEC #ED973F
split-complementary
#3FED40 #973FED #ED3F95
monochromatic
#0FA210 #14DA16 #3FED40 #77F278 #AFF7AF

Accessibility & contrast

On white

1.57
#3FED40 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.40
#3FED40 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FED40
13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FED40#FFFFFF#000000##000000
##3FED401.001.5713.4013.40
#FFFFFF1.571.0021.0021.00
#00000013.4021.001.001.00
##00000013.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#F2D71E
Deuteranopia (green-blind)
#DFC953
Tritanopia (blue-blind)
#00E6CC
Achromatopsia (no color)
#CECECE

Design tokens & code

CSS
--color: #3fed40;
/* rgb */ color: rgb(63, 237, 64);
/* oklch */ color: oklch(82.8% 0.252 142.9);
Tailwind
colors: {
  custom: {
    50: '#8ef47f',
    500: '#3fed40',
    950: '#000000',
  },
}
SCSS
$custom: #3fed40;
$custom-light: #8ef47f;
$custom-dark: #000000;
JSON
{
  "hex": "#3fed40",
  "rgb": {
    "r": 63,
    "g": 237,
    "b": 64
  },
  "hsl": {
    "h": 120.345,
    "s": 82.857,
    "l": 58.824
  },
  "oklch": {
    "l": 0.82839,
    "c": 0.25166,
    "h": 142.9
  },
  "luminance": 0.61995
}

Semantic roles & 50–950 ramp

primary
#3FED40
secondary
#A42CA4
accent
#2FF8F9
background
#FCFFFB
surface
#F5FFF2
border
#CFD7CC
text
#0E170B
muted
#7F857E

Preview Lab

Preview with #3FED40

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

Preview Lab → · Contrast checker → · Palette generator →

#3FED40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva