#42D558#42D558

#42D558 is a light, highly saturated green. Relative luminance 0.495; OKLCH L 77.0% C 0.208 H 145.5°. Best body text is #000000 at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#42D558
RGB	rgb(66, 213, 88)
HSL	hsl(129, 64%, 55%)
HSV	hsv(129, 69%, 84%)
CMYK	cmyk(69%, 0%, 58.7%, 16.5%)
CIE-LAB	lab(75.73, -63.48, 49.81)
CIE-LCH	lch(75.73, 80.69, 141.88°)
OKLab	oklab(76.96% -0.1714 0.1176)
OKLCH	oklch(76.96% 0.208 145.5)
XYZ	xyz(27.8006, 49.4483, 17.3100)
Luminance	0.4945 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D558 #D542BF

analogous

#75D542 #42D558 #42D5A2

triadic

#42D558 #5842D5 #D55842

tetradic

#42D558 #4275D5 #D542BF #D5A242

square

#42D558 #4275D5 #D542BF #D5A242

split-complementary

#42D558 #A242D5 #D54275

monochromatic

#1C802B #28B23C #42D558 #74E084 #A6EBB0

Accessibility & contrast

On white

1.93

#42D558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.89

#42D558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D558

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D558	#FFFFFF	#000000	##000000
##42D558	1.00	1.93	10.89	10.89
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.89	21.00	1.00	1.00
##000000	10.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C24B

Deuteranopia (green-blind)

#C7B662

Tritanopia (blue-blind)

#00D0BA

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #42d558;
/* rgb */ color: rgb(66, 213, 88);
/* oklch */ color: oklch(77.0% 0.208 145.5);

Tailwind

colors: {
  custom: {
    50: '#89e38b',
    500: '#42d558',
    950: '#000000',
  },
}

SCSS

$custom: #42d558;
$custom-light: #89e38b;
$custom-dark: #000000;

JSON

{
  "hex": "#42d558",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 88
  },
  "hsl": {
    "h": 128.98,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.76963,
    "c": 0.2079,
    "h": 145.5
  },
  "luminance": 0.49451
}

Semantic roles & 50–950 ramp

primary

#42D558

secondary

#D89ACF

accent

#41CEE7

background

#F9FEF8

surface

#F1FCF0

border

#CBD5CB

text

#0D160C

muted

#7E847D

Preview Lab

Preview with #42D558

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

Preview Lab → · Contrast checker → · Palette generator →