#42D456#42D456

#42D456 is a light, highly saturated green. Relative luminance 0.489; OKLCH L 76.7% C 0.208 H 145.3°. Best body text is #000000 at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#42D456
RGB	rgb(66, 212, 86)
HSL	hsl(128, 63%, 55%)
HSV	hsv(128, 69%, 83%)
CMYK	cmyk(68.9%, 0%, 59.4%, 16.9%)
CIE-LAB	lab(75.40, -63.38, 50.32)
CIE-LCH	lch(75.40, 80.93, 141.55°)
OKLab	oklab(76.68% -0.1712 0.1186)
OKLCH	oklch(76.68% 0.208 145.3)
XYZ	xyz(27.4681, 48.9141, 16.7961)
Luminance	0.4892 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D456 #D442C0

analogous

#77D442 #42D456 #42D49F

triadic

#42D456 #5642D4 #D45642

tetradic

#42D456 #4277D4 #D442C0 #D49F42

square

#42D456 #4277D4 #D442C0 #D49F42

split-complementary

#42D456 #9F42D4 #D44277

monochromatic

#1D7F2A #28B13B #42D456 #74DF83 #A6EBAF

Accessibility & contrast

On white

1.95

#42D456 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.78

#42D456 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D456

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D456	#FFFFFF	#000000	##000000
##42D456	1.00	1.95	10.78	10.78
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.78	21.00	1.00	1.00
##000000	10.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C149

Deuteranopia (green-blind)

#C6B560

Tritanopia (blue-blind)

#04CFB9

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #42d456;
/* rgb */ color: rgb(66, 212, 86);
/* oklch */ color: oklch(76.7% 0.208 145.3);

Tailwind

colors: {
  custom: {
    50: '#89e28a',
    500: '#42d456',
    950: '#000000',
  },
}

SCSS

$custom: #42d456;
$custom-light: #89e28a;
$custom-dark: #000000;

JSON

{
  "hex": "#42d456",
  "rgb": {
    "r": 66,
    "g": 212,
    "b": 86
  },
  "hsl": {
    "h": 128.219,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.76682,
    "c": 0.20826,
    "h": 145.3
  },
  "luminance": 0.48917
}

Semantic roles & 50–950 ramp

primary

#42D456

secondary

#D89ACF

accent

#42CFE6

background

#F9FEF8

surface

#F1FCF0

border

#CBD5CB

text

#0D160C

muted

#7E847D

Preview Lab

Preview with #42D456

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

Preview Lab → · Contrast checker → · Palette generator →