#42C571#42C571

#42C571 is a light, vivid green. Relative luminance 0.423; OKLCH L 73.2% C 0.166 H 151.6°. Best body text is #000000 at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#42C571
RGB	rgb(66, 197, 113)
HSL	hsl(142, 53%, 52%)
HSV	hsv(142, 66%, 77%)
CMYK	cmyk(66.5%, 0%, 42.6%, 22.7%)
CIE-LAB	lab(71.06, -54.10, 31.95)
CIE-LCH	lch(71.06, 62.83, 149.43°)
OKLab	oklab(73.21% -0.1459 0.079)
OKLCH	oklch(73.21% 0.166 151.6)
XYZ	xyz(25.1916, 42.2803, 22.4529)
Luminance	0.4228 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C571 #C54296

analogous

#55C542 #42C571 #42C5B3

triadic

#42C571 #7142C5 #C57142

tetradic

#42C571 #4255C5 #C54296 #C5B342

square

#42C571 #4255C5 #C54296 #C5B342

split-complementary

#42C571 #B342C5 #C54255

monochromatic

#216C3C #2F9A56 #42C571 #71D394 #A0E2B7

Accessibility & contrast

On white

2.22

#42C571 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.46

#42C571 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C571

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C571	#FFFFFF	#000000	##000000
##42C571	1.00	2.22	9.46	9.46
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.46	21.00	1.00	1.00
##000000	9.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B56B

Deuteranopia (green-blind)

#B5A977

Tritanopia (blue-blind)

#00C2B0

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #42c571;
/* rgb */ color: rgb(66, 197, 113);
/* oklch */ color: oklch(73.2% 0.166 151.6);

Tailwind

colors: {
  custom: {
    50: '#85d89b',
    500: '#42c571',
    950: '#000000',
  },
}

SCSS

$custom: #42c571;
$custom-light: #85d89b;
$custom-dark: #000000;

JSON

{
  "hex": "#42c571",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 113
  },
  "hsl": {
    "h": 141.527,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.73213,
    "c": 0.16593,
    "h": 151.6
  },
  "luminance": 0.42283
}

Semantic roles & 50–950 ramp

primary

#42C571

secondary

#CE95BA

accent

#4BA8DC

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C140E

muted

#7D837E

Preview Lab

Preview with #42C571

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

Preview Lab → · Contrast checker → · Palette generator →