#42C240#42C240

#42C240 is a light, highly saturated green. Relative luminance 0.401; OKLCH L 71.8% C 0.203 H 142.9°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#42C240
RGB	rgb(66, 194, 64)
HSL	hsl(119, 52%, 51%)
HSV	hsv(119, 67%, 76%)
CMYK	cmyk(66%, 0%, 67%, 23.9%)
CIE-LAB	lab(69.55, -59.61, 53.21)
CIE-LCH	lch(69.55, 79.90, 138.25°)
OKLab	oklab(71.78% -0.162 0.1226)
OKLCH	oklch(71.78% 0.203 142.9)
XYZ	xyz(22.4627, 40.1097, 11.4077)
Luminance	0.4011 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C240 #C040C2

analogous

#83C240 #42C240 #40C27F

triadic

#42C240 #4042C2 #C24042

tetradic

#42C240 #4083C2 #C040C2 #C27F40

square

#42C240 #4083C2 #C040C2 #C27F40

split-complementary

#42C240 #7F40C2 #C24083

monochromatic

#226721 #319530 #42C240 #70D16E #9EE09D

Accessibility & contrast

On white

2.33

#42C240 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#42C240 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C240

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C240	#FFFFFF	#000000	##000000
##42C240	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B02E

Deuteranopia (green-blind)

#B7A64C

Tritanopia (blue-blind)

#24BCA7

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #42c240;
/* rgb */ color: rgb(66, 194, 64);
/* oklch */ color: oklch(71.8% 0.203 142.9);

Tailwind

colors: {
  custom: {
    50: '#86d67b',
    500: '#42c240',
    950: '#000000',
  },
}

SCSS

$custom: #42c240;
$custom-light: #86d67b;
$custom-dark: #000000;

JSON

{
  "hex": "#42c240",
  "rgb": {
    "r": 66,
    "g": 194,
    "b": 64
  },
  "hsl": {
    "h": 119.077,
    "s": 51.587,
    "l": 50.588
  },
  "oklch": {
    "l": 0.71775,
    "c": 0.20311,
    "h": 142.9
  },
  "luminance": 0.40112
}

Semantic roles & 50–950 ramp

primary

#42C240

secondary

#CB92CC

accent

#4DDBD9

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0D140A

muted

#7D837C

Preview Lab

Preview with #42C240

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

Preview Lab → · Contrast checker → · Palette generator →