#42DE57#42DE57

#42DE57 is a light, highly saturated green. Relative luminance 0.541; OKLCH L 79.3% C 0.219 H 145.1°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#42DE57
RGB	rgb(66, 222, 87)
HSL	hsl(128, 70%, 56%)
HSV	hsv(128, 70%, 87%)
CMYK	cmyk(70.3%, 0%, 60.8%, 12.9%)
CIE-LAB	lab(78.51, -66.62, 53.45)
CIE-LCH	lch(78.51, 85.41, 141.26°)
OKLab	oklab(79.26% -0.18 0.1254)
OKLCH	oklch(79.26% 0.219 145.1)
XYZ	xyz(30.0863, 54.0856, 17.8689)
Luminance	0.5409 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DE57 #DE42C9

analogous

#7BDE42 #42DE57 #42DEA5

triadic

#42DE57 #5742DE #DE5742

tetradic

#42DE57 #427BDE #DE42C9 #DEA542

square

#42DE57 #427BDE #DE42C9 #DEA542

split-complementary

#42DE57 #A542DE #DE427B

monochromatic

#198D28 #22C137 #42DE57 #76E785 #AAF0B4

Accessibility & contrast

On white

1.78

#42DE57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.82

#42DE57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DE57

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DE57	#FFFFFF	#000000	##000000
##42DE57	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)

#E2CA48

Deuteranopia (green-blind)

#CFBD62

Tritanopia (blue-blind)

#00D8C1

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #42de57;
/* rgb */ color: rgb(66, 222, 87);
/* oklch */ color: oklch(79.3% 0.219 145.1);

Tailwind

colors: {
  custom: {
    50: '#8bea8b',
    500: '#42de57',
    950: '#000000',
  },
}

SCSS

$custom: #42de57;
$custom-light: #8bea8b;
$custom-dark: #000000;

JSON

{
  "hex": "#42de57",
  "rgb": {
    "r": 66,
    "g": 222,
    "b": 87
  },
  "hsl": {
    "h": 128.077,
    "s": 70.27,
    "l": 56.471
  },
  "oklch": {
    "l": 0.79264,
    "c": 0.21932,
    "h": 145.1
  },
  "luminance": 0.54089
}

Semantic roles & 50–950 ramp

primary

#42DE57

secondary

#923285

accent

#3BD5ED

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #42DE57

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

Preview Lab → · Contrast checker → · Palette generator →