#42D559#42D559

#42D559 is a light, highly saturated green. Relative luminance 0.495; OKLCH L 77.0% C 0.207 H 145.7°. Best body text is #000000 at 10.89:1 contrast (WCAG AA passes).

Color values

HEX#42D559
RGBrgb(66, 213, 89)
HSLhsl(129, 64%, 55%)
HSVhsv(129, 69%, 84%)
CMYKcmyk(69%, 0%, 58.2%, 16.5%)
CIE-LABlab(75.74, -63.36, 49.37)
CIE-LCHlch(75.74, 80.33, 142.08°)
OKLaboklab(76.98% -0.1711 0.1167)
OKLCHoklch(76.98% 0.207 145.7)
XYZxyz(27.8423, 49.4650, 17.5296)
Luminance0.4947 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D559 #D542BE
analogous
#74D542 #42D559 #42D5A3
triadic
#42D559 #5942D5 #D55942
tetradic
#42D559 #4274D5 #D542BE #D5A342
square
#42D559 #4274D5 #D542BE #D5A342
split-complementary
#42D559 #A342D5 #D54274
monochromatic
#1C802C #28B23D #42D559 #74E085 #A6EBB1

Accessibility & contrast

On white

1.93
#42D559 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.89
#42D559 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D559
10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D559#FFFFFF#000000##000000
##42D5591.001.9310.8910.89
#FFFFFF1.931.0021.0021.00
#00000010.8921.001.001.00
##00000010.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#D8C24C
Deuteranopia (green-blind)
#C7B663
Tritanopia (blue-blind)
#00D0BA
Achromatopsia (no color)
#BBBBBB

Design tokens & code

CSS
--color: #42d559;
/* rgb */ color: rgb(66, 213, 89);
/* oklch */ color: oklch(77.0% 0.207 145.7);
Tailwind
colors: {
  custom: {
    50: '#89e38b',
    500: '#42d559',
    950: '#000000',
  },
}
SCSS
$custom: #42d559;
$custom-light: #89e38b;
$custom-dark: #000000;
JSON
{
  "hex": "#42d559",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 89
  },
  "hsl": {
    "h": 129.388,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.76975,
    "c": 0.20711,
    "h": 145.7
  },
  "luminance": 0.49468
}

Semantic roles & 50–950 ramp

primary
#42D559
secondary
#D89ACF
accent
#41CDE7
background
#F9FEF8
surface
#F1FCF0
border
#CBD5CB
text
#0D160C
muted
#7E847D

Preview Lab

Preview with #42D559

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

Preview Lab → · Contrast checker → · Palette generator →

#42D559 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva