#42DF4A#42DF4A

#42DF4A is a light, highly saturated green. Relative luminance 0.544; OKLCH L 79.4% C 0.230 H 143.7°. Best body text is #000000 at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#42DF4A
RGB	rgb(66, 223, 74)
HSL	hsl(123, 71%, 57%)
HSV	hsv(123, 70%, 87%)
CMYK	cmyk(70.4%, 0%, 66.8%, 12.5%)
CIE-LAB	lab(78.71, -68.29, 59.07)
CIE-LCH	lch(78.71, 90.29, 139.14°)
OKLab	oklab(79.39% -0.185 0.136)
OKLCH	oklch(79.39% 0.23 143.7)
XYZ	xyz(29.8686, 54.4247, 15.4081)
Luminance	0.5443 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DF4A #DF42D7

analogous

#89DF42 #42DF4A #42DF98

triadic

#42DF4A #4A42DF #DF4A42

tetradic

#42DF4A #4289DF #DF42D7 #DF9842

square

#42DF4A #4289DF #DF42D7 #DF9842

split-complementary

#42DF4A #9842DF #DF4289

monochromatic

#188E1E #21C329 #42DF4A #76E87C #ABF1AE

Accessibility & contrast

On white

1.77

#42DF4A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.89

#42DF4A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DF4A

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DF4A	#FFFFFF	#000000	##000000
##42DF4A	1.00	1.77	11.89	11.89
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.89	21.00	1.00	1.00
##000000	11.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CA36

Deuteranopia (green-blind)

#D1BE58

Tritanopia (blue-blind)

#00D9C1

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #42df4a;
/* rgb */ color: rgb(66, 223, 74);
/* oklch */ color: oklch(79.4% 0.230 143.7);

Tailwind

colors: {
  custom: {
    50: '#8cea83',
    500: '#42df4a',
    950: '#000000',
  },
}

SCSS

$custom: #42df4a;
$custom-light: #8cea83;
$custom-dark: #000000;

JSON

{
  "hex": "#42df4a",
  "rgb": {
    "r": 66,
    "g": 223,
    "b": 74
  },
  "hsl": {
    "h": 123.057,
    "s": 71.041,
    "l": 56.667
  },
  "oklch": {
    "l": 0.79391,
    "c": 0.22964,
    "h": 143.7
  },
  "luminance": 0.54428
}

Semantic roles & 50–950 ramp

primary

#42DF4A

secondary

#94328F

accent

#3AE5EE

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0E160B

muted

#7F857E

Preview Lab

Preview with #42DF4A

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

Preview Lab → · Contrast checker → · Palette generator →