#42C563#42C563

#42C563 is a light, vivid green. Relative luminance 0.420; OKLCH L 73.0% C 0.179 H 148.3°. Best body text is #000000 at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#42C563
RGB	rgb(66, 197, 99)
HSL	hsl(135, 53%, 52%)
HSV	hsv(135, 66%, 77%)
CMYK	cmyk(66.5%, 0%, 49.7%, 22.7%)
CIE-LAB	lab(70.86, -56.36, 38.76)
CIE-LCH	lch(70.86, 68.40, 145.48°)
OKLab	oklab(72.98% -0.152 0.094)
OKLCH	oklch(72.98% 0.179 148.3)
XYZ	xyz(24.4633, 41.9890, 18.6174)
Luminance	0.4199 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C563 #C542A4

analogous

#63C542 #42C563 #42C5A5

triadic

#42C563 #6342C5 #C56342

tetradic

#42C563 #4263C5 #C542A4 #C5A542

square

#42C563 #4263C5 #C542A4 #C5A542

split-complementary

#42C563 #A542C5 #C54263

monochromatic

#216C34 #2F9A4A #42C563 #71D38A #A0E2B0

Accessibility & contrast

On white

2.23

#42C563 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.40

#42C563 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C563

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C563	#FFFFFF	#000000	##000000
##42C563	1.00	2.23	9.40	9.40
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.40	21.00	1.00	1.00
##000000	9.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B45B

Deuteranopia (green-blind)

#B7A96A

Tritanopia (blue-blind)

#0BC1AE

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #42c563;
/* rgb */ color: rgb(66, 197, 99);
/* oklch */ color: oklch(73.0% 0.179 148.3);

Tailwind

colors: {
  custom: {
    50: '#86d891',
    500: '#42c563',
    950: '#000000',
  },
}

SCSS

$custom: #42c563;
$custom-light: #86d891;
$custom-dark: #000000;

JSON

{
  "hex": "#42c563",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 99
  },
  "hsl": {
    "h": 135.115,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.72983,
    "c": 0.17868,
    "h": 148.3
  },
  "luminance": 0.41992
}

Semantic roles & 50–950 ramp

primary

#42C563

secondary

#CE95C0

accent

#4BB8DC

background

#F8FDF9

surface

#F0FAF1

border

#CBD3CB

text

#0C150D

muted

#7D837E

Preview Lab

Preview with #42C563

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

Preview Lab → · Contrast checker → · Palette generator →