#42DE59#42DE59

#42DE59 is a light, highly saturated green. Relative luminance 0.541; OKLCH L 79.3% C 0.218 H 145.4°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#42DE59
RGB	rgb(66, 222, 89)
HSL	hsl(129, 70%, 56%)
HSV	hsv(129, 70%, 87%)
CMYK	cmyk(70.3%, 0%, 59.9%, 12.9%)
CIE-LAB	lab(78.53, -66.39, 52.60)
CIE-LCH	lch(78.53, 84.70, 141.61°)
OKLab	oklab(79.29% -0.1793 0.1237)
OKLCH	oklch(79.29% 0.218 145.4)
XYZ	xyz(30.1692, 54.1187, 18.3053)
Luminance	0.5412 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DE59 #DE42C7

analogous

#79DE42 #42DE59 #42DEA7

triadic

#42DE59 #5942DE #DE5942

tetradic

#42DE59 #4279DE #DE42C7 #DEA742

square

#42DE59 #4279DE #DE42C7 #DEA742

split-complementary

#42DE59 #A742DE #DE4279

monochromatic

#198D2A #22C139 #42DE59 #76E787 #AAF0B5

Accessibility & contrast

On white

1.78

#42DE59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.82

#42DE59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DE59

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DE59	#FFFFFF	#000000	##000000
##42DE59	1.00	1.78	11.82	11.82
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.82	21.00	1.00	1.00
##000000	11.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CA4B

Deuteranopia (green-blind)

#CFBD64

Tritanopia (blue-blind)

#00D9C1

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #42de59;
/* rgb */ color: rgb(66, 222, 89);
/* oklch */ color: oklch(79.3% 0.218 145.4);

Tailwind

colors: {
  custom: {
    50: '#8bea8c',
    500: '#42de59',
    950: '#000000',
  },
}

SCSS

$custom: #42de59;
$custom-light: #8bea8c;
$custom-dark: #000000;

JSON

{
  "hex": "#42de59",
  "rgb": {
    "r": 66,
    "g": 222,
    "b": 89
  },
  "hsl": {
    "h": 128.846,
    "s": 70.27,
    "l": 56.471
  },
  "oklch": {
    "l": 0.79286,
    "c": 0.2178,
    "h": 145.4
  },
  "luminance": 0.54122
}

Semantic roles & 50–950 ramp

primary

#42DE59

secondary

#923284

accent

#3BD3ED

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #42DE59

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

Preview Lab → · Contrast checker → · Palette generator →