#42C640#42C640

#42C640 is a light, highly saturated green. Relative luminance 0.419; OKLCH L 72.8% C 0.208 H 142.9°. Best body text is #000000 at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#42C640
RGB	rgb(66, 198, 64)
HSL	hsl(119, 54%, 51%)
HSV	hsv(119, 68%, 78%)
CMYK	cmyk(66.7%, 0%, 67.7%, 22.4%)
CIE-LAB	lab(70.81, -60.97, 54.57)
CIE-LCH	lch(70.81, 81.83, 138.17°)
OKLab	oklab(72.82% -0.1657 0.1254)
OKLCH	oklch(72.82% 0.208 142.9)
XYZ	xyz(23.3649, 41.9142, 11.7084)
Luminance	0.4192 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C640 #C440C6

analogous

#85C640 #42C640 #40C681

triadic

#42C640 #4042C6 #C64042

tetradic

#42C640 #4085C6 #C440C6 #C68140

square

#42C640 #4085C6 #C440C6 #C68140

split-complementary

#42C640 #8140C6 #C64085

monochromatic

#216C20 #309B2E #42C640 #71D46F #9FE29E

Accessibility & contrast

On white

2.24

#42C640 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.38

#42C640 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C640

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C640	#FFFFFF	#000000	##000000
##42C640	1.00	2.24	9.38	9.38
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.38	21.00	1.00	1.00
##000000	9.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB42D

Deuteranopia (green-blind)

#BBA94D

Tritanopia (blue-blind)

#22C0AB

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #42c640;
/* rgb */ color: rgb(66, 198, 64);
/* oklch */ color: oklch(72.8% 0.208 142.9);

Tailwind

colors: {
  custom: {
    50: '#87d87b',
    500: '#42c640',
    950: '#000000',
  },
}

SCSS

$custom: #42c640;
$custom-light: #87d87b;
$custom-dark: #000000;

JSON

{
  "hex": "#42c640",
  "rgb": {
    "r": 66,
    "g": 198,
    "b": 64
  },
  "hsl": {
    "h": 119.104,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.72822,
    "c": 0.20778,
    "h": 142.9
  },
  "luminance": 0.41917
}

Semantic roles & 50–950 ramp

primary

#42C640

secondary

#CE93CE

accent

#4ADDDB

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #42C640

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

Preview Lab → · Contrast checker → · Palette generator →