#42E291#42E291

#42E291 is a light, vivid green. Relative luminance 0.576; OKLCH L 81.2% C 0.175 H 156.3°. Best body text is #000000 at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#42E291
RGB	rgb(66, 226, 145)
HSL	hsl(150, 73%, 57%)
HSV	hsv(150, 71%, 89%)
CMYK	cmyk(70.8%, 0%, 35.8%, 11.4%)
CIE-LAB	lab(80.51, -59.15, 28.00)
CIE-LCH	lch(80.51, 65.45, 154.67°)
OKLab	oklab(81.17% -0.16 0.0703)
OKLCH	oklch(81.17% 0.175 156.3)
XYZ	xyz(34.5507, 57.5914, 36.0779)
Luminance	0.5759 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E291 #E24293

analogous

#43E242 #42E291 #42E2E1

triadic

#42E291 #9142E2 #E29142

tetradic

#42E291 #4243E2 #E24293 #E2E142

square

#42E291 #4243E2 #E24293 #E2E142

split-complementary

#42E291 #E142E2 #E24243

monochromatic

#179354 #1FC872 #42E291 #77EAB0 #ACF2CF

Accessibility & contrast

On white

1.68

#42E291 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.52

#42E291 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E291

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E291	#FFFFFF	#000000	##000000
##42E291	1.00	1.68	12.52	12.52
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.52	21.00	1.00	1.00
##000000	12.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1D08C

Deuteranopia (green-blind)

#CDC296

Tritanopia (blue-blind)

#00E0CD

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #42e291;
/* rgb */ color: rgb(66, 226, 145);
/* oklch */ color: oklch(81.2% 0.175 156.3);

Tailwind

colors: {
  custom: {
    50: '#8becb1',
    500: '#42e291',
    950: '#000000',
  },
}

SCSS

$custom: #42e291;
$custom-light: #8becb1;
$custom-dark: #000000;

JSON

{
  "hex": "#42e291",
  "rgb": {
    "r": 66,
    "g": 226,
    "b": 145
  },
  "hsl": {
    "h": 149.625,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.81168,
    "c": 0.17478,
    "h": 156.3
  },
  "luminance": 0.57595
}

Semantic roles & 50–950 ramp

primary

#42E291

secondary

#983165

accent

#3895F0

background

#FCFFFD

surface

#F4FEF7

border

#CED6D0

text

#0D1611

muted

#7F8581

Preview Lab

Preview with #42E291

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

Preview Lab → · Contrast checker → · Palette generator →