#42C851#42C851

#42C851 is a light, vivid green. Relative luminance 0.431; OKLCH L 73.5% C 0.198 H 145.0°. Best body text is #000000 at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#42C851
RGB	rgb(66, 200, 81)
HSL	hsl(127, 55%, 52%)
HSV	hsv(127, 67%, 78%)
CMYK	cmyk(67%, 0%, 59.5%, 21.6%)
CIE-LAB	lab(71.59, -59.85, 48.17)
CIE-LCH	lch(71.59, 76.83, 141.17°)
OKLab	oklab(73.52% -0.1619 0.1135)
OKLCH	oklch(73.52% 0.198 145)
XYZ	xyz(24.3847, 43.0583, 14.8090)
Luminance	0.4306 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C851 #C842B9

analogous

#76C842 #42C851 #42C894

triadic

#42C851 #5142C8 #C85142

tetradic

#42C851 #4276C8 #C842B9 #C89442

square

#42C851 #4276C8 #C842B9 #C89442

split-complementary

#42C851 #9442C8 #C84276

monochromatic

#206F29 #2E9F3B #42C851 #71D67D #A1E4A8

Accessibility & contrast

On white

2.18

#42C851 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.61

#42C851 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C851

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C851	#FFFFFF	#000000	##000000
##42C851	1.00	2.18	9.61	9.61
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.61	21.00	1.00	1.00
##000000	9.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB644

Deuteranopia (green-blind)

#BBAB5B

Tritanopia (blue-blind)

#18C3AE

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #42c851;
/* rgb */ color: rgb(66, 200, 81);
/* oklch */ color: oklch(73.5% 0.198 145.0);

Tailwind

colors: {
  custom: {
    50: '#87da86',
    500: '#42c851',
    950: '#000000',
  },
}

SCSS

$custom: #42c851;
$custom-light: #87da86;
$custom-dark: #000000;

JSON

{
  "hex": "#42c851",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 81
  },
  "hsl": {
    "h": 126.716,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.73519,
    "c": 0.19769,
    "h": 145
  },
  "luminance": 0.43061
}

Semantic roles & 50–950 ramp

primary

#42C851

secondary

#D096CA

accent

#4ACEDE

background

#F8FDF8

surface

#F0FBF0

border

#CBD4CB

text

#0D150B

muted

#7D837C

Preview Lab

Preview with #42C851

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

Preview Lab → · Contrast checker → · Palette generator →