#42DD40#42DD40

#42DD40 is a light, highly saturated green. Relative luminance 0.532; OKLCH L 78.8% C 0.234 H 142.8°. Best body text is #000000 at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#42DD40
RGB	rgb(66, 221, 64)
HSL	hsl(119, 70%, 56%)
HSV	hsv(119, 71%, 87%)
CMYK	cmyk(70.1%, 0%, 71%, 13.3%)
CIE-LAB	lab(78.02, -68.53, 62.13)
CIE-LCH	lch(78.02, 92.50, 137.80°)
OKLab	oklab(78.79% -0.1861 0.1413)
OKLCH	oklch(78.79% 0.234 142.8)
XYZ	xyz(29.0269, 53.2381, 13.5957)
Luminance	0.5324 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DD40 #DB40DD

analogous

#90DD40 #42DD40 #40DD8C

triadic

#42DD40 #4042DD #DD4042

tetradic

#42DD40 #4090DD #DB40DD #DD8C40

square

#42DD40 #4090DD #DB40DD #DD8C40

split-complementary

#42DD40 #8C40DD #DD4090

monochromatic

#1A8A19 #24BE22 #42DD40 #75E674 #A9EFA8

Accessibility & contrast

On white

1.80

#42DD40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.65

#42DD40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DD40

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DD40	#FFFFFF	#000000	##000000
##42DD40	1.00	1.80	11.65	11.65
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.65	21.00	1.00	1.00
##000000	11.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C825

Deuteranopia (green-blind)

#D0BC50

Tritanopia (blue-blind)

#0CD7BE

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #42dd40;
/* rgb */ color: rgb(66, 221, 64);
/* oklch */ color: oklch(78.8% 0.234 142.8);

Tailwind

colors: {
  custom: {
    50: '#8ce97e',
    500: '#42dd40',
    950: '#000000',
  },
}

SCSS

$custom: #42dd40;
$custom-light: #8ce97e;
$custom-dark: #000000;

JSON

{
  "hex": "#42dd40",
  "rgb": {
    "r": 66,
    "g": 221,
    "b": 64
  },
  "hsl": {
    "h": 119.236,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.78793,
    "c": 0.23368,
    "h": 142.8
  },
  "luminance": 0.53241
}

Semantic roles & 50–950 ramp

primary

#42DD40

secondary

#8F3190

accent

#3BEDEA

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160A

muted

#7F847D

Preview Lab

Preview with #42DD40

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

Preview Lab → · Contrast checker → · Palette generator →