#42D57A#42D57A

#42D57A is a light, vivid green. Relative luminance 0.502; OKLCH L 77.5% C 0.179 H 152.0°. Best body text is #000000 at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#42D57A
RGB	rgb(66, 213, 122)
HSL	hsl(143, 64%, 55%)
HSV	hsv(143, 69%, 84%)
CMYK	cmyk(69%, 0%, 42.7%, 16.5%)
CIE-LAB	lab(76.16, -58.52, 33.98)
CIE-LCH	lch(76.16, 67.67, 149.86°)
OKLab	oklab(77.46% -0.1577 0.0839)
OKLCH	oklch(77.46% 0.179 152)
XYZ	xyz(29.5514, 50.1486, 26.5308)
Luminance	0.5015 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D57A #D5429D

analogous

#54D542 #42D57A #42D5C3

triadic

#42D57A #7A42D5 #D57A42

tetradic

#42D57A #4254D5 #D5429D #D5C342

square

#42D57A #4254D5 #D5429D #D5C342

split-complementary

#42D57A #C342D5 #D54254

monochromatic

#1C8042 #28B25C #42D57A #74E09D #A6EBC0

Accessibility & contrast

On white

1.90

#42D57A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.03

#42D57A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D57A

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D57A	#FFFFFF	#000000	##000000
##42D57A	1.00	1.90	11.03	11.03
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.03	21.00	1.00	1.00
##000000	11.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C373

Deuteranopia (green-blind)

#C3B780

Tritanopia (blue-blind)

#00D2BF

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #42d57a;
/* rgb */ color: rgb(66, 213, 122);
/* oklch */ color: oklch(77.5% 0.179 152.0);

Tailwind

colors: {
  custom: {
    50: '#88e3a1',
    500: '#42d57a',
    950: '#000000',
  },
}

SCSS

$custom: #42d57a;
$custom-light: #88e3a1;
$custom-dark: #000000;

JSON

{
  "hex": "#42d57a",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 122
  },
  "hsl": {
    "h": 142.857,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.7746,
    "c": 0.17865,
    "h": 152
  },
  "luminance": 0.50152
}

Semantic roles & 50–950 ramp

primary

#42D57A

secondary

#873468

accent

#41A8E7

background

#FCFEFC

surface

#F4FCF5

border

#CED5CF

text

#0D160F

muted

#7F8480

Preview Lab

Preview with #42D57A

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

Preview Lab → · Contrast checker → · Palette generator →