#42D540#42D540

#42D540 is a light, highly saturated green. Relative luminance 0.491; OKLCH L 76.7% C 0.225 H 142.8°. Best body text is #000000 at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#42D540
RGB	rgb(66, 213, 64)
HSL	hsl(119, 64%, 54%)
HSV	hsv(119, 70%, 84%)
CMYK	cmyk(69%, 0%, 70%, 16.5%)
CIE-LAB	lab(75.52, -65.95, 59.55)
CIE-LCH	lch(75.52, 88.86, 137.92°)
OKLab	oklab(76.72% -0.1792 0.1359)
OKLCH	oklch(76.72% 0.225 142.8)
XYZ	xyz(26.9648, 49.1140, 12.9084)
Luminance	0.4912 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D540 #D340D5

analogous

#8CD540 #42D540 #40D589

triadic

#42D540 #4042D5 #D54042

tetradic

#42D540 #408CD5 #D340D5 #D58940

square

#42D540 #408CD5 #D340D5 #D58940

split-complementary

#42D540 #8940D5 #D5408C

monochromatic

#1D7F1C #29B127 #42D540 #74E072 #A5EBA4

Accessibility & contrast

On white

1.94

#42D540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.82

#42D540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D540

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D540	#FFFFFF	#000000	##000000
##42D540	1.00	1.94	10.82	10.82
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.82	21.00	1.00	1.00
##000000	10.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC129

Deuteranopia (green-blind)

#C9B64F

Tritanopia (blue-blind)

#16CFB7

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #42d540;
/* rgb */ color: rgb(66, 213, 64);
/* oklch */ color: oklch(76.7% 0.225 142.8);

Tailwind

colors: {
  custom: {
    50: '#8ae37d',
    500: '#42d540',
    950: '#000000',
  },
}

SCSS

$custom: #42d540;
$custom-light: #8ae37d;
$custom-dark: #000000;

JSON

{
  "hex": "#42d540",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 64
  },
  "hsl": {
    "h": 119.195,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.76725,
    "c": 0.22485,
    "h": 142.8
  },
  "luminance": 0.49117
}

Semantic roles & 50–950 ramp

primary

#42D540

secondary

#D799D8

accent

#41E7E5

background

#F9FEF7

surface

#F2FCEE

border

#CCD5C9

text

#0D160A

muted

#7E847C

Preview Lab

Preview with #42D540

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

Preview Lab → · Contrast checker → · Palette generator →