#42CB40#42CB40

#42CB40 is a light, highly saturated green. Relative luminance 0.442; OKLCH L 74.1% C 0.214 H 142.9°. Best body text is #000000 at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#42CB40
RGB	rgb(66, 203, 64)
HSL	hsl(119, 57%, 52%)
HSV	hsv(119, 68%, 80%)
CMYK	cmyk(67.5%, 0%, 68.5%, 20.4%)
CIE-LAB	lab(72.39, -62.65, 56.25)
CIE-LCH	lch(72.39, 84.20, 138.08°)
OKLab	oklab(74.13% -0.1702 0.1289)
OKLCH	oklch(74.13% 0.214 142.9)
XYZ	xyz(24.5267, 44.2377, 12.0957)
Luminance	0.4424 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CB40 #C940CB

analogous

#87CB40 #42CB40 #40CB84

triadic

#42CB40 #4042CB #CB4042

tetradic

#42CB40 #4087CB #C940CB #CB8440

square

#42CB40 #4087CB #C940CB #CB8440

split-complementary

#42CB40 #8440CB #CB4087

monochromatic

#20721F #2EA22C #42CB40 #72D870 #A1E5A0

Accessibility & contrast

On white

2.13

#42CB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.85

#42CB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CB40

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CB40	#FFFFFF	#000000	##000000
##42CB40	1.00	2.13	9.85	9.85
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.85	21.00	1.00	1.00
##000000	9.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB82C

Deuteranopia (green-blind)

#BFAD4D

Tritanopia (blue-blind)

#1FC5AF

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #42cb40;
/* rgb */ color: rgb(66, 203, 64);
/* oklch */ color: oklch(74.1% 0.214 142.9);

Tailwind

colors: {
  custom: {
    50: '#88dc7c',
    500: '#42cb40',
    950: '#000000',
  },
}

SCSS

$custom: #42cb40;
$custom-light: #88dc7c;
$custom-dark: #000000;

JSON

{
  "hex": "#42cb40",
  "rgb": {
    "r": 66,
    "g": 203,
    "b": 64
  },
  "hsl": {
    "h": 119.137,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74126,
    "c": 0.21354,
    "h": 142.9
  },
  "luminance": 0.4424
}

Semantic roles & 50–950 ramp

primary

#42CB40

secondary

#D195D2

accent

#47E0DE

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #42CB40

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

Preview Lab → · Contrast checker → · Palette generator →