#42DD57#42DD57

#42DD57 is a light, highly saturated green. Relative luminance 0.536; OKLCH L 79.0% C 0.218 H 145.2°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX#42DD57
RGBrgb(66, 221, 87)
HSLhsl(128, 70%, 56%)
HSVhsv(128, 70%, 87%)
CMYKcmyk(70.1%, 0%, 60.6%, 13.3%)
CIE-LABlab(78.20, -66.29, 53.10)
CIE-LCHlch(78.20, 84.93, 141.30°)
OKLaboklab(79.01% -0.1791 0.1246)
OKLCHoklch(79.01% 0.218 145.2)
XYZxyz(29.8215, 53.5560, 17.7807)
Luminance0.5356 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42DD57 #DD42C8
analogous
#7BDD42 #42DD57 #42DDA5
triadic
#42DD57 #5742DD #DD5742
tetradic
#42DD57 #427BDD #DD42C8 #DDA542
square
#42DD57 #427BDD #DD42C8 #DDA542
split-complementary
#42DD57 #A542DD #DD427B
monochromatic
#198C29 #22BF38 #42DD57 #76E685 #AAF0B3

Accessibility & contrast

On white

1.79
#42DD57 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.71
#42DD57 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DD57
11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42DD57#FFFFFF#000000##000000
##42DD571.001.7911.7111.71
#FFFFFF1.791.0021.0021.00
#00000011.7121.001.001.00
##00000011.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#E1C948
Deuteranopia (green-blind)
#CFBD62
Tritanopia (blue-blind)
#00D7C0
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #42dd57;
/* rgb */ color: rgb(66, 221, 87);
/* oklch */ color: oklch(79.0% 0.218 145.2);
Tailwind
colors: {
  custom: {
    50: '#8be98b',
    500: '#42dd57',
    950: '#000000',
  },
}
SCSS
$custom: #42dd57;
$custom-light: #8be98b;
$custom-dark: #000000;
JSON
{
  "hex": "#42dd57",
  "rgb": {
    "r": 66,
    "g": 221,
    "b": 87
  },
  "hsl": {
    "h": 128.129,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.79008,
    "c": 0.21815,
    "h": 145.2
  },
  "luminance": 0.53559
}

Semantic roles & 50–950 ramp

primary
#42DD57
secondary
#913284
accent
#3BD4EC
background
#FCFEFC
surface
#F5FDF4
border
#CFD5CE
text
#0E160C
muted
#7F847F

Preview Lab

Preview with #42DD57

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

Preview Lab → · Contrast checker → · Palette generator →

#42DD57 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva