#42DC59#42DC59

#42DC59 is a light, highly saturated green. Relative luminance 0.531; OKLCH L 78.8% C 0.215 H 145.5°. Best body text is #000000 at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#42DC59
RGB	rgb(66, 220, 89)
HSL	hsl(129, 69%, 56%)
HSV	hsv(129, 70%, 86%)
CMYK	cmyk(70%, 0%, 59.5%, 13.7%)
CIE-LAB	lab(77.91, -65.72, 51.89)
CIE-LCH	lch(77.91, 83.74, 141.71°)
OKLab	oklab(78.77% -0.1775 0.1222)
OKLCH	oklch(78.77% 0.215 145.5)
XYZ	xyz(29.6411, 53.0626, 18.1292)
Luminance	0.5307 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DC59 #DC42C5

analogous

#78DC42 #42DC59 #42DCA6

triadic

#42DC59 #5942DC #DC5942

tetradic

#42DC59 #4278DC #DC42C5 #DCA642

square

#42DC59 #4278DC #DC42C5 #DCA642

split-complementary

#42DC59 #A642DC #DC4278

monochromatic

#1A8A2A #23BE3A #42DC59 #76E686 #A9EFB4

Accessibility & contrast

On white

1.81

#42DC59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.61

#42DC59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DC59

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DC59	#FFFFFF	#000000	##000000
##42DC59	1.00	1.81	11.61	11.61
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.61	21.00	1.00	1.00
##000000	11.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC84B

Deuteranopia (green-blind)

#CDBC64

Tritanopia (blue-blind)

#00D7C0

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #42dc59;
/* rgb */ color: rgb(66, 220, 89);
/* oklch */ color: oklch(78.8% 0.215 145.5);

Tailwind

colors: {
  custom: {
    50: '#8be88c',
    500: '#42dc59',
    950: '#000000',
  },
}

SCSS

$custom: #42dc59;
$custom-light: #8be88c;
$custom-dark: #000000;

JSON

{
  "hex": "#42dc59",
  "rgb": {
    "r": 66,
    "g": 220,
    "b": 89
  },
  "hsl": {
    "h": 128.961,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.78774,
    "c": 0.21545,
    "h": 145.5
  },
  "luminance": 0.53066
}

Semantic roles & 50–950 ramp

primary

#42DC59

secondary

#903282

accent

#3CD1EC

background

#FCFEFC

surface

#F4FDF4

border

#CED5CE

text

#0D160C

muted

#7F847F

Preview Lab

Preview with #42DC59

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

Preview Lab → · Contrast checker → · Palette generator →