#42D57E#42D57E

#42D57E is a light, vivid green. Relative luminance 0.503; OKLCH L 77.5% C 0.175 H 153.0°. Best body text is #000000 at 11.05:1 contrast (WCAG AA passes).

Color values

HEX#42D57E
RGBrgb(66, 213, 126)
HSLhsl(144, 64%, 55%)
HSVhsv(144, 69%, 84%)
CMYKcmyk(69%, 0%, 40.8%, 16.5%)
CIE-LABlab(76.22, -57.82, 32.03)
CIE-LCHlch(76.22, 66.10, 151.02°)
OKLaboklab(77.53% -0.1559 0.0795)
OKLCHoklch(77.53% 0.175 153)
XYZxyz(29.8043, 50.2498, 27.8631)
Luminance0.5025 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D57E #D54299
analogous
#50D542 #42D57E #42D5C8
triadic
#42D57E #7E42D5 #D57E42
tetradic
#42D57E #4250D5 #D54299 #D5C842
square
#42D57E #4250D5 #D54299 #D5C842
split-complementary
#42D57E #C842D5 #D54250
monochromatic
#1C8045 #28B260 #42D57E #74E0A0 #A6EBC2

Accessibility & contrast

On white

1.90
#42D57E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.05
#42D57E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D57E
11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D57E#FFFFFF#000000##000000
##42D57E1.001.9011.0511.05
#FFFFFF1.901.0021.0021.00
#00000011.0521.001.001.00
##00000011.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#D5C478
Deuteranopia (green-blind)
#C3B784
Tritanopia (blue-blind)
#00D2BF
Achromatopsia (no color)
#BCBCBC

Design tokens & code

CSS
--color: #42d57e;
/* rgb */ color: rgb(66, 213, 126);
/* oklch */ color: oklch(77.5% 0.175 153.0);
Tailwind
colors: {
  custom: {
    50: '#88e3a4',
    500: '#42d57e',
    950: '#000000',
  },
}
SCSS
$custom: #42d57e;
$custom-light: #88e3a4;
$custom-dark: #000000;
JSON
{
  "hex": "#42d57e",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 126
  },
  "hsl": {
    "h": 144.49,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.77531,
    "c": 0.17504,
    "h": 153
  },
  "luminance": 0.50253
}

Semantic roles & 50–950 ramp

primary
#42D57E
secondary
#873465
accent
#41A3E7
background
#FCFEFC
surface
#F4FCF6
border
#CED5D0
text
#0D160F
muted
#7F8480

Preview Lab

Preview with #42D57E

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

Preview Lab → · Contrast checker → · Palette generator →

#42D57E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva