#42DA4B#42DA4B

#42DA4B is a light, highly saturated green. Relative luminance 0.518; OKLCH L 78.1% C 0.223 H 143.9°. Best body text is #000000 at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#42DA4B
RGB	rgb(66, 218, 75)
HSL	hsl(124, 67%, 56%)
HSV	hsv(124, 70%, 85%)
CMYK	cmyk(69.7%, 0%, 65.6%, 14.5%)
CIE-LAB	lab(77.16, -66.57, 57.00)
CIE-LCH	lch(77.16, 87.64, 139.43°)
OKLab	oklab(78.11% -0.1803 0.1317)
OKLCH	oklch(78.11% 0.223 143.9)
XYZ	xyz(28.5864, 51.8059, 15.1483)
Luminance	0.5181 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DA4B #DA42D1

analogous

#85DA42 #42DA4B #42DA97

triadic

#42DA4B #4B42DA #DA4B42

tetradic

#42DA4B #4285DA #DA42D1 #DA9742

square

#42DA4B #4285DA #DA42D1 #DA9742

split-complementary

#42DA4B #9742DA #DA4285

monochromatic

#1A8721 #24BA2D #42DA4B #75E47C #A8EEAC

Accessibility & contrast

On white

1.85

#42DA4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.36

#42DA4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DA4B

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DA4B	#FFFFFF	#000000	##000000
##42DA4B	1.00	1.85	11.36	11.36
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.36	21.00	1.00	1.00
##000000	11.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC638

Deuteranopia (green-blind)

#CDBA58

Tritanopia (blue-blind)

#07D4BD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #42da4b;
/* rgb */ color: rgb(66, 218, 75);
/* oklch */ color: oklch(78.1% 0.223 143.9);

Tailwind

colors: {
  custom: {
    50: '#8be783',
    500: '#42da4b',
    950: '#000000',
  },
}

SCSS

$custom: #42da4b;
$custom-light: #8be783;
$custom-dark: #000000;

JSON

{
  "hex": "#42da4b",
  "rgb": {
    "r": 66,
    "g": 218,
    "b": 75
  },
  "hsl": {
    "h": 123.553,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.78114,
    "c": 0.22333,
    "h": 143.9
  },
  "luminance": 0.51809
}

Semantic roles & 50–950 ramp

primary

#42DA4B

secondary

#8D3388

accent

#3EE0EA

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #42DA4B

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

Preview Lab → · Contrast checker → · Palette generator →