#42CA40#42CA40

#42CA40 is a light, highly saturated green. Relative luminance 0.438; OKLCH L 73.9% C 0.212 H 142.9°. Best body text is #000000 at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#42CA40
RGB	rgb(66, 202, 64)
HSL	hsl(119, 57%, 52%)
HSV	hsv(119, 68%, 79%)
CMYK	cmyk(67.3%, 0%, 68.3%, 20.8%)
CIE-LAB	lab(72.07, -62.32, 55.91)
CIE-LCH	lch(72.07, 83.73, 138.10°)
OKLab	oklab(73.87% -0.1693 0.1282)
OKLCH	oklch(73.87% 0.212 142.9)
XYZ	xyz(24.2913, 43.7669, 12.0172)
Luminance	0.4377 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CA40 #C840CA

analogous

#87CA40 #42CA40 #40CA83

triadic

#42CA40 #4042CA #CA4042

tetradic

#42CA40 #4087CA #C840CA #CA8340

square

#42CA40 #4087CA #C840CA #CA8340

split-complementary

#42CA40 #8340CA #CA4087

monochromatic

#20701F #2EA02C #42CA40 #71D770 #A1E5A0

Accessibility & contrast

On white

2.15

#42CA40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.75

#42CA40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CA40

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CA40	#FFFFFF	#000000	##000000
##42CA40	1.00	2.15	9.75	9.75
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.75	21.00	1.00	1.00
##000000	9.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB72C

Deuteranopia (green-blind)

#BEAC4D

Tritanopia (blue-blind)

#1FC4AE

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #42ca40;
/* rgb */ color: rgb(66, 202, 64);
/* oklch */ color: oklch(73.9% 0.212 142.9);

Tailwind

colors: {
  custom: {
    50: '#88db7c',
    500: '#42ca40',
    950: '#000000',
  },
}

SCSS

$custom: #42ca40;
$custom-light: #88db7c;
$custom-dark: #000000;

JSON

{
  "hex": "#42ca40",
  "rgb": {
    "r": 66,
    "g": 202,
    "b": 64
  },
  "hsl": {
    "h": 119.13,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.73866,
    "c": 0.2124,
    "h": 142.9
  },
  "luminance": 0.43769
}

Semantic roles & 50–950 ramp

primary

#42CA40

secondary

#D095D1

accent

#48E0DE

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #42CA40

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

Preview Lab → · Contrast checker → · Palette generator →