#42D340#42D340

#42D340 is a light, highly saturated green. Relative luminance 0.481; OKLCH L 76.2% C 0.223 H 142.8°. Best body text is #000000 at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#42D340
RGB	rgb(66, 211, 64)
HSL	hsl(119, 63%, 54%)
HSV	hsv(119, 70%, 83%)
CMYK	cmyk(68.7%, 0%, 69.7%, 17.3%)
CIE-LAB	lab(74.90, -65.30, 58.89)
CIE-LCH	lch(74.90, 87.93, 137.95°)
OKLab	oklab(76.21% -0.1774 0.1345)
OKLCH	oklch(76.21% 0.223 142.8)
XYZ	xyz(26.4649, 48.1141, 12.7417)
Luminance	0.4812 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D340 #D140D3

analogous

#8CD340 #42D340 #40D388

triadic

#42D340 #4042D3 #D34042

tetradic

#42D340 #408CD3 #D140D3 #D38840

square

#42D340 #408CD3 #D140D3 #D38840

split-complementary

#42D340 #8840D3 #D3408C

monochromatic

#1E7C1D #2AAE28 #42D340 #73DE72 #A4EAA3

Accessibility & contrast

On white

1.98

#42D340 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.62

#42D340 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D340

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D340	#FFFFFF	#000000	##000000
##42D340	1.00	1.98	10.62	10.62
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.62	21.00	1.00	1.00
##000000	10.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8BF29

Deuteranopia (green-blind)

#C7B44E

Tritanopia (blue-blind)

#18CDB6

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #42d340;
/* rgb */ color: rgb(66, 211, 64);
/* oklch */ color: oklch(76.2% 0.223 142.8);

Tailwind

colors: {
  custom: {
    50: '#8ae27d',
    500: '#42d340',
    950: '#000000',
  },
}

SCSS

$custom: #42d340;
$custom-light: #8ae27d;
$custom-dark: #000000;

JSON

{
  "hex": "#42d340",
  "rgb": {
    "r": 66,
    "g": 211,
    "b": 64
  },
  "hsl": {
    "h": 119.184,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76206,
    "c": 0.22261,
    "h": 142.8
  },
  "luminance": 0.48117
}

Semantic roles & 50–950 ramp

primary

#42D340

secondary

#D698D7

accent

#42E6E3

background

#F9FEF7

surface

#F2FCEE

border

#CCD5C9

text

#0D150A

muted

#7E847C

Preview Lab

Preview with #42D340

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

Preview Lab → · Contrast checker → · Palette generator →