#42CC59#42CC59

#42CC59 is a light, vivid green. Relative luminance 0.451; OKLCH L 74.7% C 0.196 H 146.0°. Best body text is #000000 at 10.01:1 contrast (WCAG AA passes).

Color values

HEX#42CC59
RGBrgb(66, 204, 89)
HSLhsl(130, 58%, 53%)
HSVhsv(130, 68%, 80%)
CMYKcmyk(67.6%, 0%, 56.4%, 20%)
CIE-LABlab(72.93, -60.26, 46.07)
CIE-LCHlch(72.93, 75.85, 142.60°)
OKLaboklab(74.65% -0.1627 0.1096)
OKLCHoklch(74.65% 0.196 146)
XYZxyz(25.6410, 45.0625, 16.7959)
Luminance0.4506 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42CC59 #CC42B5
analogous
#70CC42 #42CC59 #42CC9E
triadic
#42CC59 #5942CC #CC5942
tetradic
#42CC59 #4270CC #CC42B5 #CC9E42
square
#42CC59 #4270CC #CC42B5 #CC9E42
split-complementary
#42CC59 #9E42CC #CC4270
monochromatic
#1F742E #2CA440 #42CC59 #72D983 #A2E6AE

Accessibility & contrast

On white

2.10
#42CC59 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.01
#42CC59 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CC59
10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42CC59#FFFFFF#000000##000000
##42CC591.002.1010.0110.01
#FFFFFF2.101.0021.0021.00
#00000010.0121.001.001.00
##00000010.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#CFBA4E
Deuteranopia (green-blind)
#BEAF62
Tritanopia (blue-blind)
#0DC7B3
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #42cc59;
/* rgb */ color: rgb(66, 204, 89);
/* oklch */ color: oklch(74.7% 0.196 146.0);
Tailwind
colors: {
  custom: {
    50: '#87dd8b',
    500: '#42cc59',
    950: '#000000',
  },
}
SCSS
$custom: #42cc59;
$custom-light: #87dd8b;
$custom-dark: #000000;
JSON
{
  "hex": "#42cc59",
  "rgb": {
    "r": 66,
    "g": 204,
    "b": 89
  },
  "hsl": {
    "h": 130,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.74653,
    "c": 0.19613,
    "h": 146
  },
  "luminance": 0.45065
}

Semantic roles & 50–950 ramp

primary
#42CC59
secondary
#D397C9
accent
#47C7E1
background
#F9FDF8
surface
#F1FBF0
border
#CBD4CB
text
#0D150C
muted
#7E837D

Preview Lab

Preview with #42CC59

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

Preview Lab → · Contrast checker → · Palette generator →

#42CC59 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva