#42CF40#42CF40

#42CF40 is a light, highly saturated green. Relative luminance 0.462; OKLCH L 75.2% C 0.218 H 142.8°. Best body text is #000000 at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#42CF40
RGB	rgb(66, 207, 64)
HSL	hsl(119, 60%, 53%)
HSV	hsv(119, 69%, 81%)
CMYK	cmyk(68.1%, 0%, 69.1%, 18.8%)
CIE-LAB	lab(73.64, -63.98, 57.58)
CIE-LCH	lch(73.64, 86.08, 138.02°)
OKLab	oklab(75.17% -0.1738 0.1317)
OKLCH	oklch(75.17% 0.218 142.8)
XYZ	xyz(25.4835, 46.1513, 12.4146)
Luminance	0.4615 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CF40 #CD40CF

analogous

#89CF40 #42CF40 #40CF85

triadic

#42CF40 #4042CF #CF4042

tetradic

#42CF40 #4089CF #CD40CF #CF8540

square

#42CF40 #4089CF #CD40CF #CF8540

split-complementary

#42CF40 #8540CF #CF4089

monochromatic

#1F771E #2CA82A #42CF40 #72DB71 #A3E8A2

Accessibility & contrast

On white

2.05

#42CF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.23

#42CF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CF40

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CF40	#FFFFFF	#000000	##000000
##42CF40	1.00	2.05	10.23	10.23
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.23	21.00	1.00	1.00
##000000	10.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BC2B

Deuteranopia (green-blind)

#C3B14E

Tritanopia (blue-blind)

#1CC9B2

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #42cf40;
/* rgb */ color: rgb(66, 207, 64);
/* oklch */ color: oklch(75.2% 0.218 142.8);

Tailwind

colors: {
  custom: {
    50: '#89df7c',
    500: '#42cf40',
    950: '#000000',
  },
}

SCSS

$custom: #42cf40;
$custom-light: #89df7c;
$custom-dark: #000000;

JSON

{
  "hex": "#42cf40",
  "rgb": {
    "r": 66,
    "g": 207,
    "b": 64
  },
  "hsl": {
    "h": 119.161,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.75168,
    "c": 0.2181,
    "h": 142.8
  },
  "luminance": 0.46154
}

Semantic roles & 50–950 ramp

primary

#42CF40

secondary

#D397D4

accent

#45E3E1

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #42CF40

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

Preview Lab → · Contrast checker → · Palette generator →