#42DD57#42DD57

#42DD57 is a light, highly saturated green. Relative luminance 0.536; OKLCH L 79.0% C 0.218 H 145.2°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#42DD57
RGB	rgb(66, 221, 87)
HSL	hsl(128, 70%, 56%)
HSV	hsv(128, 70%, 87%)
CMYK	cmyk(70.1%, 0%, 60.6%, 13.3%)
CIE-LAB	lab(78.20, -66.29, 53.10)
CIE-LCH	lch(78.20, 84.93, 141.30°)
OKLab	oklab(79.01% -0.1791 0.1246)
OKLCH	oklch(79.01% 0.218 145.2)
XYZ	xyz(29.8215, 53.5560, 17.7807)
Luminance	0.5356 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DD57 #DD42C8

analogous

#7BDD42 #42DD57 #42DDA5

triadic

#42DD57 #5742DD #DD5742

tetradic

#42DD57 #427BDD #DD42C8 #DDA542

square

#42DD57 #427BDD #DD42C8 #DDA542

split-complementary

#42DD57 #A542DD #DD427B

monochromatic

#198C29 #22BF38 #42DD57 #76E685 #AAF0B3

Accessibility & contrast

On white

1.79

#42DD57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.71

#42DD57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DD57

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DD57	#FFFFFF	#000000	##000000
##42DD57	1.00	1.79	11.71	11.71
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.71	21.00	1.00	1.00
##000000	11.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C948

Deuteranopia (green-blind)

#CFBD62

Tritanopia (blue-blind)

#00D7C0

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #42dd57;
/* rgb */ color: rgb(66, 221, 87);
/* oklch */ color: oklch(79.0% 0.218 145.2);

Tailwind

colors: {
  custom: {
    50: '#8be98b',
    500: '#42dd57',
    950: '#000000',
  },
}

SCSS

$custom: #42dd57;
$custom-light: #8be98b;
$custom-dark: #000000;

JSON

{
  "hex": "#42dd57",
  "rgb": {
    "r": 66,
    "g": 221,
    "b": 87
  },
  "hsl": {
    "h": 128.129,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.79008,
    "c": 0.21815,
    "h": 145.2
  },
  "luminance": 0.53559
}

Semantic roles & 50–950 ramp

primary

#42DD57

secondary

#913284

accent

#3BD4EC

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #42DD57

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

Preview Lab → · Contrast checker → · Palette generator →