#42DD40#42DD40

#42DD40 is a light, highly saturated green. Relative luminance 0.532; OKLCH L 78.8% C 0.234 H 142.8°. Best body text is #000000 at 11.65:1 contrast (WCAG AA passes).

Color values

HEX#42DD40
RGBrgb(66, 221, 64)
HSLhsl(119, 70%, 56%)
HSVhsv(119, 71%, 87%)
CMYKcmyk(70.1%, 0%, 71%, 13.3%)
CIE-LABlab(78.02, -68.53, 62.13)
CIE-LCHlch(78.02, 92.50, 137.80°)
OKLaboklab(78.79% -0.1861 0.1413)
OKLCHoklch(78.79% 0.234 142.8)
XYZxyz(29.0269, 53.2381, 13.5957)
Luminance0.5324 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42DD40 #DB40DD
analogous
#90DD40 #42DD40 #40DD8C
triadic
#42DD40 #4042DD #DD4042
tetradic
#42DD40 #4090DD #DB40DD #DD8C40
square
#42DD40 #4090DD #DB40DD #DD8C40
split-complementary
#42DD40 #8C40DD #DD4090
monochromatic
#1A8A19 #24BE22 #42DD40 #75E674 #A9EFA8

Accessibility & contrast

On white

1.80
#42DD40 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.65
#42DD40 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DD40
11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42DD40#FFFFFF#000000##000000
##42DD401.001.8011.6511.65
#FFFFFF1.801.0021.0021.00
#00000011.6521.001.001.00
##00000011.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2C825
Deuteranopia (green-blind)
#D0BC50
Tritanopia (blue-blind)
#0CD7BE
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #42dd40;
/* rgb */ color: rgb(66, 221, 64);
/* oklch */ color: oklch(78.8% 0.234 142.8);
Tailwind
colors: {
  custom: {
    50: '#8ce97e',
    500: '#42dd40',
    950: '#000000',
  },
}
SCSS
$custom: #42dd40;
$custom-light: #8ce97e;
$custom-dark: #000000;
JSON
{
  "hex": "#42dd40",
  "rgb": {
    "r": 66,
    "g": 221,
    "b": 64
  },
  "hsl": {
    "h": 119.236,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.78793,
    "c": 0.23368,
    "h": 142.8
  },
  "luminance": 0.53241
}

Semantic roles & 50–950 ramp

primary
#42DD40
secondary
#8F3190
accent
#3BEDEA
background
#FCFEFB
surface
#F5FDF2
border
#CFD5CC
text
#0E160A
muted
#7F847D

Preview Lab

Preview with #42DD40

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

Preview Lab → · Contrast checker → · Palette generator →

#42DD40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva