#42E947#42E947

#42E947 is a light, highly saturated green. Relative luminance 0.599; OKLCH L 81.9% C 0.243 H 143.3°. Best body text is #000000 at 12.98:1 contrast (WCAG AA passes).

Color values

HEX#42E947
RGBrgb(66, 233, 71)
HSLhsl(122, 79%, 59%)
HSVhsv(122, 72%, 91%)
CMYKcmyk(71.7%, 0%, 69.5%, 8.6%)
CIE-LABlab(81.78, -71.74, 63.47)
CIE-LCHlch(81.78, 95.79, 138.50°)
OKLaboklab(81.93% -0.1945 0.1449)
OKLCHoklch(81.93% 0.243 143.3)
XYZxyz(32.5210, 59.8874, 15.8055)
Luminance0.5989 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42E947 #E942E4
analogous
#90E942 #42E947 #42E99A
triadic
#42E947 #4742E9 #E94742
tetradic
#42E947 #4290E9 #E942E4 #E99A42
square
#42E947 #4290E9 #E942E4 #E99A42
split-complementary
#42E947 #9A42E9 #E94290
monochromatic
#129E17 #19D51E #42E947 #79EF7C #B0F6B2

Accessibility & contrast

On white

1.62
#42E947 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.98
#42E947 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E947
12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42E947#FFFFFF#000000##000000
##42E9471.001.6212.9812.98
#FFFFFF1.621.0021.0021.00
#00000012.9821.001.001.00
##00000012.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#EED32E
Deuteranopia (green-blind)
#DBC657
Tritanopia (blue-blind)
#00E2C9
Achromatopsia (no color)
#CBCBCB

Design tokens & code

CSS
--color: #42e947;
/* rgb */ color: rgb(66, 233, 71);
/* oklch */ color: oklch(81.9% 0.243 143.3);
Tailwind
colors: {
  custom: {
    50: '#8ef183',
    500: '#42e947',
    950: '#000000',
  },
}
SCSS
$custom: #42e947;
$custom-light: #8ef183;
$custom-dark: #000000;
JSON
{
  "hex": "#42e947",
  "rgb": {
    "r": 66,
    "g": 233,
    "b": 71
  },
  "hsl": {
    "h": 121.796,
    "s": 79.147,
    "l": 58.627
  },
  "oklch": {
    "l": 0.81929,
    "c": 0.24257,
    "h": 143.3
  },
  "luminance": 0.59891
}

Semantic roles & 50–950 ramp

primary
#42E947
secondary
#A12E9E
accent
#32F0F6
background
#FCFFFB
surface
#F5FEF2
border
#CFD6CC
text
#0E170B
muted
#7F857E

Preview Lab

Preview with #42E947

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

Preview Lab → · Contrast checker → · Palette generator →

#42E947 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva