#42ED4E#42ED4E

#42ED4E is a very light, highly saturated green. Relative luminance 0.623; OKLCH L 83.0% C 0.243 H 143.9°. Best body text is #000000 at 13.46:1 contrast (WCAG AA passes).

Color values

HEX#42ED4E
RGBrgb(66, 237, 78)
HSLhsl(124, 83%, 59%)
HSVhsv(124, 72%, 93%)
CMYKcmyk(72.2%, 0%, 67.1%, 7.1%)
CIE-LABlab(83.06, -72.37, 62.18)
CIE-LCHlch(83.06, 95.41, 139.33°)
OKLaboklab(83.01% -0.1959 0.143)
OKLCHoklch(83.01% 0.243 143.9)
XYZxyz(33.9039, 62.2728, 17.4393)
Luminance0.6228 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42ED4E #ED42E1
analogous
#8BED42 #42ED4E #42EDA4
triadic
#42ED4E #4E42ED #ED4E42
tetradic
#42ED4E #428BED #ED42E1 #EDA442
square
#42ED4E #428BED #ED42E1 #EDA442
split-complementary
#42ED4E #A442ED #ED428B
monochromatic
#10A51A #15DD23 #42ED4E #7AF282 #B2F8B7

Accessibility & contrast

On white

1.56
#42ED4E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.46
#42ED4E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ED4E
13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42ED4E#FFFFFF#000000##000000
##42ED4E1.001.5613.4613.46
#FFFFFF1.561.0021.0021.00
#00000013.4621.001.001.00
##00000013.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#F2D738
Deuteranopia (green-blind)
#DECA5D
Tritanopia (blue-blind)
#00E7CD
Achromatopsia (no color)
#CFCFCF

Design tokens & code

CSS
--color: #42ed4e;
/* rgb */ color: rgb(66, 237, 78);
/* oklch */ color: oklch(83.0% 0.243 143.9);
Tailwind
colors: {
  custom: {
    50: '#8ff487',
    500: '#42ed4e',
    950: '#000000',
  },
}
SCSS
$custom: #42ed4e;
$custom-light: #8ff487;
$custom-dark: #000000;
JSON
{
  "hex": "#42ed4e",
  "rgb": {
    "r": 66,
    "g": 237,
    "b": 78
  },
  "hsl": {
    "h": 124.211,
    "s": 82.609,
    "l": 59.412
  },
  "oklch": {
    "l": 0.83009,
    "c": 0.24256,
    "h": 143.9
  },
  "luminance": 0.62277
}

Semantic roles & 50–950 ramp

primary
#42ED4E
secondary
#A72D9E
accent
#2FEBF9
background
#FCFFFC
surface
#F5FFF4
border
#CFD7CE
text
#0E170C
muted
#7F857F

Preview Lab

Preview with #42ED4E

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

Preview Lab → · Contrast checker → · Palette generator →

#42ED4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva