#42DA81#42DA81

#42DA81 is a light, vivid green. Relative luminance 0.529; OKLCH L 78.9% C 0.179 H 153.1°. Best body text is #000000 at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#42DA81
RGB	rgb(66, 218, 129)
HSL	hsl(145, 67%, 56%)
HSV	hsv(145, 70%, 85%)
CMYK	cmyk(69.7%, 0%, 40.8%, 14.5%)
CIE-LAB	lab(77.81, -59.14, 32.58)
CIE-LCH	lch(77.81, 67.51, 151.15°)
OKLab	oklab(78.85% -0.1595 0.0808)
OKLCH	oklch(78.85% 0.179 153.1)
XYZ	xyz(31.2779, 52.8825, 29.3236)
Luminance	0.5289 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DA81 #DA429B

analogous

#4FDA42 #42DA81 #42DACD

triadic

#42DA81 #8142DA #DA8142

tetradic

#42DA81 #424FDA #DA429B #DACD42

square

#42DA81 #424FDA #DA429B #DACD42

split-complementary

#42DA81 #CD42DA #DA424F

monochromatic

#1A8748 #24BA63 #42DA81 #75E4A3 #A8EEC5

Accessibility & contrast

On white

1.81

#42DA81 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.58

#42DA81 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DA81

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DA81	#FFFFFF	#000000	##000000
##42DA81	1.00	1.81	11.58	11.58
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.58	21.00	1.00	1.00
##000000	11.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC87B

Deuteranopia (green-blind)

#C7BB87

Tritanopia (blue-blind)

#00D7C4

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #42da81;
/* rgb */ color: rgb(66, 218, 129);
/* oklch */ color: oklch(78.9% 0.179 153.1);

Tailwind

colors: {
  custom: {
    50: '#89e7a6',
    500: '#42da81',
    950: '#000000',
  },
}

SCSS

$custom: #42da81;
$custom-light: #89e7a6;
$custom-dark: #000000;

JSON

{
  "hex": "#42da81",
  "rgb": {
    "r": 66,
    "g": 218,
    "b": 129
  },
  "hsl": {
    "h": 144.868,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.78852,
    "c": 0.17879,
    "h": 153.1
  },
  "luminance": 0.52886
}

Semantic roles & 50–950 ramp

primary

#42DA81

secondary

#8D3368

accent

#3EA3EA

background

#FCFEFC

surface

#F4FDF6

border

#CED5D0

text

#0D160F

muted

#7F8480

Preview Lab

Preview with #42DA81

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

Preview Lab → · Contrast checker → · Palette generator →