#42DD51#42DD51

#42DD51 is a light, highly saturated green. Relative luminance 0.535; OKLCH L 78.9% C 0.223 H 144.5°. Best body text is #000000 at 11.69:1 contrast (WCAG AA passes).

Color values

HEX#42DD51
RGBrgb(66, 221, 81)
HSLhsl(126, 70%, 56%)
HSVhsv(126, 70%, 87%)
CMYKcmyk(70.1%, 0%, 63.3%, 13.3%)
CIE-LABlab(78.15, -66.94, 55.60)
CIE-LCHlch(78.15, 87.02, 140.29°)
OKLaboklab(78.94% -0.1811 0.1294)
OKLCHoklch(78.94% 0.223 144.5)
XYZxyz(29.5865, 53.4620, 16.5429)
Luminance0.5346 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42DD51 #DD42CE
analogous
#81DD42 #42DD51 #42DD9E
triadic
#42DD51 #5142DD #DD5142
tetradic
#42DD51 #4281DD #DD42CE #DD9E42
square
#42DD51 #4281DD #DD42CE #DD9E42
split-complementary
#42DD51 #9E42DD #DD4281
monochromatic
#198C24 #22BF32 #42DD51 #76E681 #AAF0B1

Accessibility & contrast

On white

1.80
#42DD51 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.69
#42DD51 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DD51
11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42DD51#FFFFFF#000000##000000
##42DD511.001.8011.6911.69
#FFFFFF1.801.0021.0021.00
#00000011.6921.001.001.00
##00000011.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#E1C940
Deuteranopia (green-blind)
#CFBC5D
Tritanopia (blue-blind)
#00D7C0
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #42dd51;
/* rgb */ color: rgb(66, 221, 81);
/* oklch */ color: oklch(78.9% 0.223 144.5);
Tailwind
colors: {
  custom: {
    50: '#8be987',
    500: '#42dd51',
    950: '#000000',
  },
}
SCSS
$custom: #42dd51;
$custom-light: #8be987;
$custom-dark: #000000;
JSON
{
  "hex": "#42dd51",
  "rgb": {
    "r": 66,
    "g": 221,
    "b": 81
  },
  "hsl": {
    "h": 125.806,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.78944,
    "c": 0.22256,
    "h": 144.5
  },
  "luminance": 0.53465
}

Semantic roles & 50–950 ramp

primary
#42DD51
secondary
#913288
accent
#3BDBEC
background
#FCFEFC
surface
#F5FDF4
border
#CFD5CE
text
#0E160C
muted
#7F847F

Preview Lab

Preview with #42DD51

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

Preview Lab → · Contrast checker → · Palette generator →

#42DD51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva