#42E256#42E256

#42E256 is a light, highly saturated green. Relative luminance 0.562; OKLCH L 80.3% C 0.225 H 144.9°. Best body text is #000000 at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#42E256
RGB	rgb(66, 226, 86)
HSL	hsl(128, 73%, 57%)
HSV	hsv(128, 71%, 89%)
CMYK	cmyk(70.8%, 0%, 61.9%, 11.4%)
CIE-LAB	lab(79.74, -68.05, 55.27)
CIE-LCH	lch(79.74, 87.67, 140.91°)
OKLab	oklab(80.28% -0.1839 0.1292)
OKLCH	oklch(80.28% 0.225 144.9)
XYZ	xyz(31.1207, 56.2194, 18.0136)
Luminance	0.5622 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E256 #E242CE

analogous

#7EE242 #42E256 #42E2A6

triadic

#42E256 #5642E2 #E25642

tetradic

#42E256 #427EE2 #E242CE #E2A642

square

#42E256 #427EE2 #E242CE #E2A642

split-complementary

#42E256 #A642E2 #E2427E

monochromatic

#179326 #1FC834 #42E256 #77EA85 #ACF2B5

Accessibility & contrast

On white

1.72

#42E256 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.24

#42E256 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E256

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E256	#FFFFFF	#000000	##000000
##42E256	1.00	1.72	12.24	12.24
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.24	21.00	1.00	1.00
##000000	12.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CD46

Deuteranopia (green-blind)

#D3C162

Tritanopia (blue-blind)

#00DCC4

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #42e256;
/* rgb */ color: rgb(66, 226, 86);
/* oklch */ color: oklch(80.3% 0.225 144.9);

Tailwind

colors: {
  custom: {
    50: '#8cec8b',
    500: '#42e256',
    950: '#000000',
  },
}

SCSS

$custom: #42e256;
$custom-light: #8cec8b;
$custom-dark: #000000;

JSON

{
  "hex": "#42e256",
  "rgb": {
    "r": 66,
    "g": 226,
    "b": 86
  },
  "hsl": {
    "h": 127.5,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.80278,
    "c": 0.2247,
    "h": 144.9
  },
  "luminance": 0.56223
}

Semantic roles & 50–950 ramp

primary

#42E256

secondary

#98318B

accent

#38D9F0

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #42E256

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

Preview Lab → · Contrast checker → · Palette generator →