#42E257#42E257

#42E257 is a light, highly saturated green. Relative luminance 0.562; OKLCH L 80.3% C 0.224 H 145.0°. Best body text is #000000 at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#42E257
RGB	rgb(66, 226, 87)
HSL	hsl(128, 73%, 57%)
HSV	hsv(128, 71%, 89%)
CMYK	cmyk(70.8%, 0%, 61.5%, 11.4%)
CIE-LAB	lab(79.75, -67.94, 54.86)
CIE-LCH	lch(79.75, 87.32, 141.08°)
OKLab	oklab(80.29% -0.1835 0.1284)
OKLCH	oklch(80.29% 0.224 145)
XYZ	xyz(31.1613, 56.2356, 18.2273)
Luminance	0.5624 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E257 #E242CD

analogous

#7DE242 #42E257 #42E2A7

triadic

#42E257 #5742E2 #E25742

tetradic

#42E257 #427DE2 #E242CD #E2A742

square

#42E257 #427DE2 #E242CD #E2A742

split-complementary

#42E257 #A742E2 #E2427D

monochromatic

#179327 #1FC835 #42E257 #77EA86 #ACF2B5

Accessibility & contrast

On white

1.71

#42E257 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.25

#42E257 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E257

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E257	#FFFFFF	#000000	##000000
##42E257	1.00	1.71	12.25	12.25
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.25	21.00	1.00	1.00
##000000	12.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CD47

Deuteranopia (green-blind)

#D3C163

Tritanopia (blue-blind)

#00DCC4

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #42e257;
/* rgb */ color: rgb(66, 226, 87);
/* oklch */ color: oklch(80.3% 0.224 145.0);

Tailwind

colors: {
  custom: {
    50: '#8cec8b',
    500: '#42e257',
    950: '#000000',
  },
}

SCSS

$custom: #42e257;
$custom-light: #8cec8b;
$custom-dark: #000000;

JSON

{
  "hex": "#42e257",
  "rgb": {
    "r": 66,
    "g": 226,
    "b": 87
  },
  "hsl": {
    "h": 127.875,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.80288,
    "c": 0.22397,
    "h": 145
  },
  "luminance": 0.56239
}

Semantic roles & 50–950 ramp

primary

#42E257

secondary

#98318A

accent

#38D8F0

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #42E257

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

Preview Lab → · Contrast checker → · Palette generator →