#42DA5A#42DA5A

#42DA5A is a light, highly saturated green. Relative luminance 0.520; OKLCH L 78.3% C 0.212 H 145.7°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#42DA5A
RGB	rgb(66, 218, 90)
HSL	hsl(129, 67%, 56%)
HSV	hsv(129, 70%, 85%)
CMYK	cmyk(69.7%, 0%, 58.7%, 14.5%)
CIE-LAB	lab(77.30, -64.93, 50.74)
CIE-LCH	lch(77.30, 82.41, 142.00°)
OKLab	oklab(78.27% -0.1753 0.1198)
OKLCH	oklch(78.27% 0.212 145.7)
XYZ	xyz(29.1616, 52.0360, 18.1780)
Luminance	0.5204 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DA5A #DA42C2

analogous

#76DA42 #42DA5A #42DAA6

triadic

#42DA5A #5A42DA #DA5A42

tetradic

#42DA5A #4276DA #DA42C2 #DAA642

square

#42DA5A #4276DA #DA42C2 #DAA642

split-complementary

#42DA5A #A642DA #DA4276

monochromatic

#1A872C #24BA3C #42DA5A #75E487 #A8EEB3

Accessibility & contrast

On white

1.84

#42DA5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.41

#42DA5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DA5A

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DA5A	#FFFFFF	#000000	##000000
##42DA5A	1.00	1.84	11.41	11.41
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.41	21.00	1.00	1.00
##000000	11.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC64D

Deuteranopia (green-blind)

#CBBA64

Tritanopia (blue-blind)

#00D5BE

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #42da5a;
/* rgb */ color: rgb(66, 218, 90);
/* oklch */ color: oklch(78.3% 0.212 145.7);

Tailwind

colors: {
  custom: {
    50: '#8ae78c',
    500: '#42da5a',
    950: '#000000',
  },
}

SCSS

$custom: #42da5a;
$custom-light: #8ae78c;
$custom-dark: #000000;

JSON

{
  "hex": "#42da5a",
  "rgb": {
    "r": 66,
    "g": 218,
    "b": 90
  },
  "hsl": {
    "h": 129.474,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.78272,
    "c": 0.21231,
    "h": 145.7
  },
  "luminance": 0.52039
}

Semantic roles & 50–950 ramp

primary

#42DA5A

secondary

#8D337F

accent

#3ECFEA

background

#FCFEFC

surface

#F4FDF4

border

#CED5CE

text

#0D160C

muted

#7F847F

Preview Lab

Preview with #42DA5A

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

Preview Lab → · Contrast checker → · Palette generator →