#42CB56#42CB56

#42CB56 is a light, vivid green. Relative luminance 0.445; OKLCH L 74.4% C 0.197 H 145.6°. Best body text is #000000 at 9.91:1 contrast (WCAG AA passes).

Color values

HEX#42CB56
RGBrgb(66, 203, 86)
HSLhsl(129, 57%, 53%)
HSVhsv(129, 67%, 80%)
CMYKcmyk(67.5%, 0%, 57.6%, 20.4%)
CIE-LABlab(72.59, -60.29, 47.05)
CIE-LCHlch(72.59, 76.48, 142.03°)
OKLaboklab(74.36% -0.1629 0.1115)
OKLCHoklch(74.36% 0.197 145.6)
XYZxyz(25.2807, 44.5393, 16.0669)
Luminance0.4454 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42CB56 #CB42B7
analogous
#73CB42 #42CB56 #42CB9A
triadic
#42CB56 #5642CB #CB5642
tetradic
#42CB56 #4273CB #CB42B7 #CB9A42
square
#42CB56 #4273CB #CB42B7 #CB9A42
split-complementary
#42CB56 #9A42CB #CB4273
monochromatic
#20732C #2DA33E #42CB56 #72D881 #A2E5AC

Accessibility & contrast

On white

2.12
#42CB56 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.91
#42CB56 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CB56
9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42CB56#FFFFFF#000000##000000
##42CB561.002.129.919.91
#FFFFFF2.121.0021.0021.00
#0000009.9121.001.001.00
##0000009.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#CEB94A
Deuteranopia (green-blind)
#BEAE5F
Tritanopia (blue-blind)
#12C6B1
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #42cb56;
/* rgb */ color: rgb(66, 203, 86);
/* oklch */ color: oklch(74.4% 0.197 145.6);
Tailwind
colors: {
  custom: {
    50: '#87dc89',
    500: '#42cb56',
    950: '#000000',
  },
}
SCSS
$custom: #42cb56;
$custom-light: #87dc89;
$custom-dark: #000000;
JSON
{
  "hex": "#42cb56",
  "rgb": {
    "r": 66,
    "g": 203,
    "b": 86
  },
  "hsl": {
    "h": 128.759,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.74357,
    "c": 0.19735,
    "h": 145.6
  },
  "luminance": 0.44542
}

Semantic roles & 50–950 ramp

primary
#42CB56
secondary
#D297C9
accent
#48CAE0
background
#F9FDF8
surface
#F1FBF0
border
#CBD4CB
text
#0D150C
muted
#7E837D

Preview Lab

Preview with #42CB56

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

Preview Lab → · Contrast checker → · Palette generator →

#42CB56 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva