#42D555#42D555

#42D555 is a light, highly saturated green. Relative luminance 0.494; OKLCH L 76.9% C 0.210 H 145.1°. Best body text is #000000 at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#42D555
RGB	rgb(66, 213, 85)
HSL	hsl(128, 64%, 55%)
HSV	hsv(128, 69%, 84%)
CMYK	cmyk(69%, 0%, 60.1%, 16.5%)
CIE-LAB	lab(75.70, -63.84, 51.11)
CIE-LCH	lch(75.70, 81.78, 141.32°)
OKLab	oklab(76.93% -0.1725 0.1202)
OKLCH	oklch(76.93% 0.21 145.1)
XYZ	xyz(27.6789, 49.3996, 16.6689)
Luminance	0.4940 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D555 #D542C2

analogous

#79D542 #42D555 #42D59E

triadic

#42D555 #5542D5 #D55542

tetradic

#42D555 #4279D5 #D542C2 #D59E42

square

#42D555 #4279D5 #D542C2 #D59E42

split-complementary

#42D555 #9E42D5 #D54279

monochromatic

#1C8029 #28B23A #42D555 #74E082 #A6EBAF

Accessibility & contrast

On white

1.93

#42D555 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.88

#42D555 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D555

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D555	#FFFFFF	#000000	##000000
##42D555	1.00	1.93	10.88	10.88
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.88	21.00	1.00	1.00
##000000	10.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C247

Deuteranopia (green-blind)

#C7B660

Tritanopia (blue-blind)

#04D0B9

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #42d555;
/* rgb */ color: rgb(66, 213, 85);
/* oklch */ color: oklch(76.9% 0.210 145.1);

Tailwind

colors: {
  custom: {
    50: '#89e389',
    500: '#42d555',
    950: '#000000',
  },
}

SCSS

$custom: #42d555;
$custom-light: #89e389;
$custom-dark: #000000;

JSON

{
  "hex": "#42d555",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 85
  },
  "hsl": {
    "h": 127.755,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.76929,
    "c": 0.21023,
    "h": 145.1
  },
  "luminance": 0.49403
}

Semantic roles & 50–950 ramp

primary

#42D555

secondary

#D89AD0

accent

#41D1E7

background

#F9FEF8

surface

#F1FCF0

border

#CBD5CB

text

#0D160C

muted

#7E847D

Preview Lab

Preview with #42D555

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

Preview Lab → · Contrast checker → · Palette generator →