#42D451#42D451

#42D451 is a light, highly saturated green. Relative luminance 0.488; OKLCH L 76.6% C 0.212 H 144.7°. Best body text is #000000 at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#42D451
RGB	rgb(66, 212, 81)
HSL	hsl(126, 63%, 55%)
HSV	hsv(126, 69%, 83%)
CMYK	cmyk(68.9%, 0%, 61.8%, 16.9%)
CIE-LAB	lab(75.35, -63.96, 52.46)
CIE-LCH	lch(75.35, 82.72, 140.64°)
OKLab	oklab(76.63% -0.173 0.1227)
OKLCH	oklch(76.63% 0.212 144.7)
XYZ	xyz(27.2737, 48.8363, 15.7720)
Luminance	0.4884 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D451 #D442C5

analogous

#7CD442 #42D451 #42D49A

triadic

#42D451 #5142D4 #D45142

tetradic

#42D451 #427CD4 #D442C5 #D49A42

square

#42D451 #427CD4 #D442C5 #D49A42

split-complementary

#42D451 #9A42D4 #D4427C

monochromatic

#1D7F27 #28B136 #42D451 #74DF7F #A6EBAD

Accessibility & contrast

On white

1.95

#42D451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.77

#42D451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D451

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D451	#FFFFFF	#000000	##000000
##42D451	1.00	1.95	10.77	10.77
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.77	21.00	1.00	1.00
##000000	10.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C142

Deuteranopia (green-blind)

#C6B55C

Tritanopia (blue-blind)

#0ACFB8

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #42d451;
/* rgb */ color: rgb(66, 212, 81);
/* oklch */ color: oklch(76.6% 0.212 144.7);

Tailwind

colors: {
  custom: {
    50: '#89e286',
    500: '#42d451',
    950: '#000000',
  },
}

SCSS

$custom: #42d451;
$custom-light: #89e286;
$custom-dark: #000000;

JSON

{
  "hex": "#42d451",
  "rgb": {
    "r": 66,
    "g": 212,
    "b": 81
  },
  "hsl": {
    "h": 126.164,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.76627,
    "c": 0.21208,
    "h": 144.7
  },
  "luminance": 0.48839
}

Semantic roles & 50–950 ramp

primary

#42D451

secondary

#D89AD1

accent

#42D5E6

background

#F9FEF8

surface

#F1FCF0

border

#CBD5CB

text

#0D160B

muted

#7E847C

Preview Lab

Preview with #42D451

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

Preview Lab → · Contrast checker → · Palette generator →