#42E243#42E243

#42E243 is a light, highly saturated green. Relative luminance 0.560; OKLCH L 80.1% C 0.237 H 143.0°. Best body text is #000000 at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#42E243
RGB	rgb(66, 226, 67)
HSL	hsl(120, 73%, 57%)
HSV	hsv(120, 71%, 89%)
CMYK	cmyk(70.8%, 0%, 70.4%, 11.4%)
CIE-LAB	lab(79.59, -69.87, 62.66)
CIE-LCH	lch(79.59, 93.85, 138.11°)
OKLab	oklab(80.1% -0.1896 0.1427)
OKLCH	oklch(80.1% 0.237 143)
XYZ	xyz(30.4544, 55.9528, 14.5041)
Luminance	0.5596 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E243 #E242E1

analogous

#91E242 #42E243 #42E293

triadic

#42E243 #4342E2 #E24342

tetradic

#42E243 #4291E2 #E242E1 #E29342

square

#42E243 #4291E2 #E242E1 #E29342

split-complementary

#42E243 #9342E2 #E24291

monochromatic

#179317 #1FC820 #42E243 #77EA78 #ACF2AD

Accessibility & contrast

On white

1.72

#42E243 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.19

#42E243 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E243

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E243	#FFFFFF	#000000	##000000
##42E243	1.00	1.72	12.19	12.19
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.19	21.00	1.00	1.00
##000000	12.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CD29

Deuteranopia (green-blind)

#D4C053

Tritanopia (blue-blind)

#00DBC3

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #42e243;
/* rgb */ color: rgb(66, 226, 67);
/* oklch */ color: oklch(80.1% 0.237 143.0);

Tailwind

colors: {
  custom: {
    50: '#8dec80',
    500: '#42e243',
    950: '#000000',
  },
}

SCSS

$custom: #42e243;
$custom-light: #8dec80;
$custom-dark: #000000;

JSON

{
  "hex": "#42e243",
  "rgb": {
    "r": 66,
    "g": 226,
    "b": 67
  },
  "hsl": {
    "h": 120.375,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.80103,
    "c": 0.23736,
    "h": 143
  },
  "luminance": 0.55956
}

Semantic roles & 50–950 ramp

primary

#42E243

secondary

#983197

accent

#38EFF0

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0E160B

muted

#7F857E

Preview Lab

Preview with #42E243

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

Preview Lab → · Contrast checker → · Palette generator →