#42CF4B#42CF4B

#42CF4B is a light, highly saturated green. Relative luminance 0.463; OKLCH L 75.3% C 0.211 H 144.0°. Best body text is #000000 at 10.26:1 contrast (WCAG AA passes).

Color values

HEX#42CF4B
RGBrgb(66, 207, 75)
HSLhsl(124, 59%, 54%)
HSVhsv(124, 68%, 81%)
CMYKcmyk(68.1%, 0%, 63.8%, 18.8%)
CIE-LABlab(73.73, -62.92, 53.22)
CIE-LCHlch(73.73, 82.41, 139.78°)
OKLaboklab(75.27% -0.1704 0.1237)
OKLCHoklch(75.27% 0.211 144)
XYZxyz(25.8280, 46.2891, 14.2288)
Luminance0.4629 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42CF4B #CF42C6
analogous
#7FCF42 #42CF4B #42CF91
triadic
#42CF4B #4B42CF #CF4B42
tetradic
#42CF4B #427FCF #CF42C6 #CF9142
square
#42CF4B #427FCF #CF42C6 #CF9142
split-complementary
#42CF4B #9142CF #CF427F
monochromatic
#1F7824 #2BA933 #42CF4B #73DB79 #A4E8A8

Accessibility & contrast

On white

2.05
#42CF4B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.26
#42CF4B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CF4B
10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42CF4B#FFFFFF#000000##000000
##42CF4B1.002.0510.2610.26
#FFFFFF2.051.0021.0021.00
#00000010.2621.001.001.00
##00000010.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#D3BC3B
Deuteranopia (green-blind)
#C2B157
Tritanopia (blue-blind)
#16C9B3
Achromatopsia (no color)
#B5B5B5

Design tokens & code

CSS
--color: #42cf4b;
/* rgb */ color: rgb(66, 207, 75);
/* oklch */ color: oklch(75.3% 0.211 144.0);
Tailwind
colors: {
  custom: {
    50: '#89df82',
    500: '#42cf4b',
    950: '#000000',
  },
}
SCSS
$custom: #42cf4b;
$custom-light: #89df82;
$custom-dark: #000000;
JSON
{
  "hex": "#42cf4b",
  "rgb": {
    "r": 66,
    "g": 207,
    "b": 75
  },
  "hsl": {
    "h": 123.83,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.7527,
    "c": 0.21061,
    "h": 144
  },
  "luminance": 0.46292
}

Semantic roles & 50–950 ramp

primary
#42CF4B
secondary
#D598D1
accent
#45D9E3
background
#F9FDF8
surface
#F1FBEF
border
#CBD4CA
text
#0D150B
muted
#7E837C

Preview Lab

Preview with #42CF4B

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

Preview Lab → · Contrast checker → · Palette generator →

#42CF4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva