#42DC4E#42DC4E

#42DC4E is a light, highly saturated green. Relative luminance 0.529; OKLCH L 78.7% C 0.224 H 144.1°. Best body text is #000000 at 11.58:1 contrast (WCAG AA passes).

Color values

HEX#42DC4E
RGBrgb(66, 220, 78)
HSLhsl(125, 69%, 56%)
HSVhsv(125, 70%, 86%)
CMYKcmyk(70%, 0%, 64.5%, 13.7%)
CIE-LABlab(77.81, -66.93, 56.48)
CIE-LCHlch(77.81, 87.57, 139.84°)
OKLaboklab(78.66% -0.1812 0.131)
OKLCHoklch(78.66% 0.224 144.1)
XYZxyz(29.2132, 52.8915, 15.8758)
Luminance0.5290 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42DC4E #DC42D0
analogous
#83DC42 #42DC4E #42DC9B
triadic
#42DC4E #4E42DC #DC4E42
tetradic
#42DC4E #4283DC #DC42D0 #DC9B42
square
#42DC4E #4283DC #DC42D0 #DC9B42
split-complementary
#42DC4E #9B42DC #DC4283
monochromatic
#1A8A22 #23BE2F #42DC4E #76E67E #A9EFAF

Accessibility & contrast

On white

1.81
#42DC4E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.58
#42DC4E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DC4E
11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42DC4E#FFFFFF#000000##000000
##42DC4E1.001.8111.5811.58
#FFFFFF1.811.0021.0021.00
#00000011.5821.001.001.00
##00000011.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#E0C83C
Deuteranopia (green-blind)
#CEBC5B
Tritanopia (blue-blind)
#00D6BF
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #42dc4e;
/* rgb */ color: rgb(66, 220, 78);
/* oklch */ color: oklch(78.7% 0.224 144.1);
Tailwind
colors: {
  custom: {
    50: '#8be885',
    500: '#42dc4e',
    950: '#000000',
  },
}
SCSS
$custom: #42dc4e;
$custom-light: #8be885;
$custom-dark: #000000;
JSON
{
  "hex": "#42dc4e",
  "rgb": {
    "r": 66,
    "g": 220,
    "b": 78
  },
  "hsl": {
    "h": 124.675,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.78657,
    "c": 0.22353,
    "h": 144.1
  },
  "luminance": 0.52895
}

Semantic roles & 50–950 ramp

primary
#42DC4E
secondary
#903289
accent
#3CDEEC
background
#FCFEFB
surface
#F5FDF2
border
#CFD5CC
text
#0E160B
muted
#7F847E

Preview Lab

Preview with #42DC4E

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

Preview Lab → · Contrast checker → · Palette generator →

#42DC4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva