#42B439#42B439

#42B439 is a light, vivid green. Relative luminance 0.341; OKLCH L 68.0% C 0.191 H 142.1°. Best body text is #000000 at 7.82:1 contrast (WCAG AA passes).

Color values

HEX#42B439
RGBrgb(66, 180, 57)
HSLhsl(116, 52%, 46%)
HSVhsv(116, 68%, 71%)
CMYKcmyk(63.3%, 0%, 68.3%, 29.4%)
CIE-LABlab(65.04, -55.39, 51.22)
CIE-LCHlch(65.04, 75.44, 137.24°)
OKLaboklab(68.03% -0.1509 0.1176)
OKLCHoklch(68.03% 0.191 142.1)
XYZxyz(19.3055, 34.0943, 9.4336)
Luminance0.3410 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42B439 #AB39B4
analogous
#80B439 #42B439 #39B46E
triadic
#42B439 #3942B4 #B43942
tetradic
#42B439 #3980B4 #AB39B4 #B46E39
square
#42B439 #3980B4 #AB39B4 #B46E39
split-complementary
#42B439 #6E39B4 #B43980
monochromatic
#20571C #31862A #42B439 #66CC5E #92DB8D

Accessibility & contrast

On white

2.69
#42B439 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.82
#42B439 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B439
7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42B439#FFFFFF#000000##000000
##42B4391.002.697.827.82
#FFFFFF2.691.0021.0021.00
#0000007.8221.001.001.00
##0000007.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#B8A428
Deuteranopia (green-blind)
#AA9A44
Tritanopia (blue-blind)
#2DAF9B
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #42b439;
/* rgb */ color: rgb(66, 180, 57);
/* oklch */ color: oklch(68.0% 0.191 142.1);
Tailwind
colors: {
  custom: {
    50: '#84cb76',
    500: '#42b439',
    950: '#000000',
  },
}
SCSS
$custom: #42b439;
$custom-light: #84cb76;
$custom-dark: #000000;
JSON
{
  "hex": "#42b439",
  "rgb": {
    "r": 66,
    "g": 180,
    "b": 57
  },
  "hsl": {
    "h": 115.61,
    "s": 51.899,
    "l": 46.471
  },
  "oklch": {
    "l": 0.68025,
    "c": 0.19128,
    "h": 142.1
  },
  "luminance": 0.34096
}

Semantic roles & 50–950 ramp

primary
#42B439
secondary
#C083C5
accent
#4CDBD1
background
#F8FCF7
surface
#F0F9ED
border
#CBD2C8
text
#0C1309
muted
#7D827B

Preview Lab

Preview with #42B439

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

Preview Lab → · Contrast checker → · Palette generator →

#42B439 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva