#42D558#42D558

#42D558 is a light, highly saturated green. Relative luminance 0.495; OKLCH L 77.0% C 0.208 H 145.5°. Best body text is #000000 at 10.89:1 contrast (WCAG AA passes).

Color values

HEX#42D558
RGBrgb(66, 213, 88)
HSLhsl(129, 64%, 55%)
HSVhsv(129, 69%, 84%)
CMYKcmyk(69%, 0%, 58.7%, 16.5%)
CIE-LABlab(75.73, -63.48, 49.81)
CIE-LCHlch(75.73, 80.69, 141.88°)
OKLaboklab(76.96% -0.1714 0.1176)
OKLCHoklch(76.96% 0.208 145.5)
XYZxyz(27.8006, 49.4483, 17.3100)
Luminance0.4945 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D558 #D542BF
analogous
#75D542 #42D558 #42D5A2
triadic
#42D558 #5842D5 #D55842
tetradic
#42D558 #4275D5 #D542BF #D5A242
square
#42D558 #4275D5 #D542BF #D5A242
split-complementary
#42D558 #A242D5 #D54275
monochromatic
#1C802B #28B23C #42D558 #74E084 #A6EBB0

Accessibility & contrast

On white

1.93
#42D558 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.89
#42D558 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D558
10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D558#FFFFFF#000000##000000
##42D5581.001.9310.8910.89
#FFFFFF1.931.0021.0021.00
#00000010.8921.001.001.00
##00000010.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#D8C24B
Deuteranopia (green-blind)
#C7B662
Tritanopia (blue-blind)
#00D0BA
Achromatopsia (no color)
#BBBBBB

Design tokens & code

CSS
--color: #42d558;
/* rgb */ color: rgb(66, 213, 88);
/* oklch */ color: oklch(77.0% 0.208 145.5);
Tailwind
colors: {
  custom: {
    50: '#89e38b',
    500: '#42d558',
    950: '#000000',
  },
}
SCSS
$custom: #42d558;
$custom-light: #89e38b;
$custom-dark: #000000;
JSON
{
  "hex": "#42d558",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 88
  },
  "hsl": {
    "h": 128.98,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.76963,
    "c": 0.2079,
    "h": 145.5
  },
  "luminance": 0.49451
}

Semantic roles & 50–950 ramp

primary
#42D558
secondary
#D89ACF
accent
#41CEE7
background
#F9FEF8
surface
#F1FCF0
border
#CBD5CB
text
#0D160C
muted
#7E847D

Preview Lab

Preview with #42D558

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

Preview Lab → · Contrast checker → · Palette generator →

#42D558 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva