#42D566#42D566

#42D566 is a light, vivid green. Relative luminance 0.497; OKLCH L 77.1% C 0.196 H 147.8°. Best body text is #000000 at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#42D566
RGB	rgb(66, 213, 102)
HSL	hsl(135, 64%, 55%)
HSV	hsv(135, 69%, 84%)
CMYK	cmyk(69%, 0%, 52.1%, 16.5%)
CIE-LAB	lab(75.89, -61.65, 43.49)
CIE-LCH	lch(75.89, 75.45, 144.80°)
OKLab	oklab(77.14% -0.1661 0.1047)
OKLCH	oklch(77.14% 0.196 147.8)
XYZ	xyz(28.4372, 49.7029, 20.6627)
Luminance	0.4971 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D566 #D542B1

analogous

#68D542 #42D566 #42D5B0

triadic

#42D566 #6642D5 #D56642

tetradic

#42D566 #4268D5 #D542B1 #D5B042

square

#42D566 #4268D5 #D542B1 #D5B042

split-complementary

#42D566 #B042D5 #D54268

monochromatic

#1C8035 #28B24A #42D566 #74E08F #A6EBB7

Accessibility & contrast

On white

1.92

#42D566 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.94

#42D566 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D566

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D566	#FFFFFF	#000000	##000000
##42D566	1.00	1.92	10.94	10.94
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.94	21.00	1.00	1.00
##000000	10.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C35C

Deuteranopia (green-blind)

#C6B66E

Tritanopia (blue-blind)

#00D1BC

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #42d566;
/* rgb */ color: rgb(66, 213, 102);
/* oklch */ color: oklch(77.1% 0.196 147.8);

Tailwind

colors: {
  custom: {
    50: '#89e394',
    500: '#42d566',
    950: '#000000',
  },
}

SCSS

$custom: #42d566;
$custom-light: #89e394;
$custom-dark: #000000;

JSON

{
  "hex": "#42d566",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 102
  },
  "hsl": {
    "h": 134.694,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.77144,
    "c": 0.19636,
    "h": 147.8
  },
  "luminance": 0.49706
}

Semantic roles & 50–950 ramp

primary

#42D566

secondary

#D89AC9

accent

#41BEE7

background

#F9FEF9

surface

#F1FCF2

border

#CBD5CC

text

#0D160D

muted

#7E847E

Preview Lab

Preview with #42D566

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

Preview Lab → · Contrast checker → · Palette generator →