#42D189#42D189

#42D189 is a light, vivid green. Relative luminance 0.486; OKLCH L 76.7% C 0.160 H 156.9°. Best body text is #000000 at 10.71:1 contrast (WCAG AA passes).

Color values

HEX#42D189
RGBrgb(66, 209, 137)
HSLhsl(150, 61%, 54%)
HSVhsv(150, 68%, 82%)
CMYKcmyk(68.4%, 0%, 34.4%, 18%)
CIE-LABlab(75.18, -54.25, 24.96)
CIE-LCHlch(75.18, 59.72, 155.29°)
OKLaboklab(76.73% -0.1471 0.0628)
OKLCHoklch(76.73% 0.16 156.9)
XYZxyz(29.5598, 48.5620, 31.4776)
Luminance0.4857 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D189 #D1428A
analogous
#43D142 #42D189 #42D1D0
triadic
#42D189 #8942D1 #D18942
tetradic
#42D189 #4243D1 #D1428A #D1D042
square
#42D189 #4243D1 #D1428A #D1D042
split-complementary
#42D189 #D042D1 #D14243
monochromatic
#1E7B4C #2AAC6A #42D189 #73DDA8 #A4E9C6

Accessibility & contrast

On white

1.96
#42D189 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.71
#42D189 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D189
10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D189#FFFFFF#000000##000000
##42D1891.001.9610.7110.71
#FFFFFF1.961.0021.0021.00
#00000010.7121.001.001.00
##00000010.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#D0C184
Deuteranopia (green-blind)
#BDB48E
Tritanopia (blue-blind)
#00CFBE
Achromatopsia (no color)
#B9B9B9

Design tokens & code

CSS
--color: #42d189;
/* rgb */ color: rgb(66, 209, 137);
/* oklch */ color: oklch(76.7% 0.160 156.9);
Tailwind
colors: {
  custom: {
    50: '#87e0ac',
    500: '#42d189',
    950: '#000000',
  },
}
SCSS
$custom: #42d189;
$custom-light: #87e0ac;
$custom-dark: #000000;
JSON
{
  "hex": "#42d189",
  "rgb": {
    "r": 66,
    "g": 209,
    "b": 137
  },
  "hsl": {
    "h": 149.79,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76732,
    "c": 0.15992,
    "h": 156.9
  },
  "luminance": 0.48565
}

Semantic roles & 50–950 ramp

primary
#42D189
secondary
#D699B8
accent
#4494E4
background
#F9FDFA
surface
#F1FBF4
border
#CBD4CE
text
#0D1510
muted
#7E837F

Preview Lab

Preview with #42D189

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

Preview Lab → · Contrast checker → · Palette generator →

#42D189 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva