#42DD5A#42DD5A

#42DD5A is a light, highly saturated green. Relative luminance 0.536; OKLCH L 79.0% C 0.216 H 145.6°. Best body text is #000000 at 11.72:1 contrast (WCAG AA passes).

Color values

HEX#42DD5A
RGBrgb(66, 221, 90)
HSLhsl(129, 70%, 56%)
HSVhsv(129, 70%, 87%)
CMYKcmyk(70.1%, 0%, 59.3%, 13.3%)
CIE-LABlab(78.23, -65.94, 51.82)
CIE-LCHlch(78.23, 83.86, 141.84°)
OKLaboklab(79.04% -0.178 0.1221)
OKLCHoklch(79.04% 0.216 145.6)
XYZxyz(29.9466, 53.6060, 18.4396)
Luminance0.5361 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42DD5A #DD42C5
analogous
#78DD42 #42DD5A #42DDA8
triadic
#42DD5A #5A42DD #DD5A42
tetradic
#42DD5A #4278DD #DD42C5 #DDA842
square
#42DD5A #4278DD #DD42C5 #DDA842
split-complementary
#42DD5A #A842DD #DD4278
monochromatic
#198C2B #22BF3B #42DD5A #76E687 #AAF0B5

Accessibility & contrast

On white

1.79
#42DD5A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.72
#42DD5A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DD5A
11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42DD5A#FFFFFF#000000##000000
##42DD5A1.001.7911.7211.72
#FFFFFF1.791.0021.0021.00
#00000011.7221.001.001.00
##00000011.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E0C94C
Deuteranopia (green-blind)
#CEBD65
Tritanopia (blue-blind)
#00D8C1
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #42dd5a;
/* rgb */ color: rgb(66, 221, 90);
/* oklch */ color: oklch(79.0% 0.216 145.6);
Tailwind
colors: {
  custom: {
    50: '#8be98d',
    500: '#42dd5a',
    950: '#000000',
  },
}
SCSS
$custom: #42dd5a;
$custom-light: #8be98d;
$custom-dark: #000000;
JSON
{
  "hex": "#42dd5a",
  "rgb": {
    "r": 66,
    "g": 221,
    "b": 90
  },
  "hsl": {
    "h": 129.29,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.79041,
    "c": 0.21586,
    "h": 145.6
  },
  "luminance": 0.53609
}

Semantic roles & 50–950 ramp

primary
#42DD5A
secondary
#913282
accent
#3BD1EC
background
#FCFEFC
surface
#F4FDF4
border
#CED5CE
text
#0D160C
muted
#7F847F

Preview Lab

Preview with #42DD5A

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

Preview Lab → · Contrast checker → · Palette generator →

#42DD5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva