#42DA40#42DA40

#42DA40 is a light, highly saturated green. Relative luminance 0.517; OKLCH L 78.0% C 0.230 H 142.8°. Best body text is #000000 at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#42DA40
RGB	rgb(66, 218, 64)
HSL	hsl(119, 68%, 55%)
HSV	hsv(119, 71%, 85%)
CMYK	cmyk(69.7%, 0%, 70.6%, 14.5%)
CIE-LAB	lab(77.08, -67.57, 61.17)
CIE-LCH	lch(77.08, 91.14, 137.85°)
OKLab	oklab(78.02% -0.1835 0.1393)
OKLCH	oklch(78.02% 0.23 142.8)
XYZ	xyz(28.2419, 51.6681, 13.3341)
Luminance	0.5167 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DA40 #D840DA

analogous

#8FDA40 #42DA40 #40DA8B

triadic

#42DA40 #4042DA #DA4042

tetradic

#42DA40 #408FDA #D840DA #DA8B40

square

#42DA40 #408FDA #D840DA #DA8B40

split-complementary

#42DA40 #8B40DA #DA408F

monochromatic

#1B861A #26B924 #42DA40 #75E473 #A7EEA7

Accessibility & contrast

On white

1.85

#42DA40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.33

#42DA40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DA40

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DA40	#FFFFFF	#000000	##000000
##42DA40	1.00	1.85	11.33	11.33
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.33	21.00	1.00	1.00
##000000	11.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC627

Deuteranopia (green-blind)

#CDBA4F

Tritanopia (blue-blind)

#11D4BC

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #42da40;
/* rgb */ color: rgb(66, 218, 64);
/* oklch */ color: oklch(78.0% 0.230 142.8);

Tailwind

colors: {
  custom: {
    50: '#8be77d',
    500: '#42da40',
    950: '#000000',
  },
}

SCSS

$custom: #42da40;
$custom-light: #8be77d;
$custom-dark: #000000;

JSON

{
  "hex": "#42da40",
  "rgb": {
    "r": 66,
    "g": 218,
    "b": 64
  },
  "hsl": {
    "h": 119.221,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.78019,
    "c": 0.23039,
    "h": 142.8
  },
  "luminance": 0.51671
}

Semantic roles & 50–950 ramp

primary

#42DA40

secondary

#8B328C

accent

#3DEAE8

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160A

muted

#7F847D

Preview Lab

Preview with #42DA40

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

Preview Lab → · Contrast checker → · Palette generator →