#42E04B#42E04B

#42E04B is a light, highly saturated green. Relative luminance 0.550; OKLCH L 79.7% C 0.230 H 143.8°. Best body text is #000000 at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#42E04B
RGB	rgb(66, 224, 75)
HSL	hsl(123, 72%, 57%)
HSV	hsv(123, 71%, 88%)
CMYK	cmyk(70.5%, 0%, 66.5%, 12.2%)
CIE-LAB	lab(79.03, -68.52, 59.02)
CIE-LCH	lch(79.03, 90.43, 139.26°)
OKLab	oklab(79.66% -0.1856 0.136)
OKLCH	oklch(79.66% 0.23 143.8)
XYZ	xyz(30.1705, 54.9742, 15.6763)
Luminance	0.5498 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E04B #E042D7

analogous

#88E042 #42E04B #42E09A

triadic

#42E04B #4B42E0 #E04B42

tetradic

#42E04B #4288E0 #E042D7 #E09A42

square

#42E04B #4288E0 #E042D7 #E09A42

split-complementary

#42E04B #9A42E0 #E04288

monochromatic

#18901E #20C52A #42E04B #77E97D #ABF1AF

Accessibility & contrast

On white

1.75

#42E04B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.00

#42E04B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E04B

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E04B	#FFFFFF	#000000	##000000
##42E04B	1.00	1.75	12.00	12.00
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.00	21.00	1.00	1.00
##000000	12.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CB37

Deuteranopia (green-blind)

#D2BF59

Tritanopia (blue-blind)

#00DAC2

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #42e04b;
/* rgb */ color: rgb(66, 224, 75);
/* oklch */ color: oklch(79.7% 0.230 143.8);

Tailwind

colors: {
  custom: {
    50: '#8ceb84',
    500: '#42e04b',
    950: '#000000',
  },
}

SCSS

$custom: #42e04b;
$custom-light: #8ceb84;
$custom-dark: #000000;

JSON

{
  "hex": "#42e04b",
  "rgb": {
    "r": 66,
    "g": 224,
    "b": 75
  },
  "hsl": {
    "h": 123.418,
    "s": 71.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.79657,
    "c": 0.2301,
    "h": 143.8
  },
  "luminance": 0.54978
}

Semantic roles & 50–950 ramp

primary

#42E04B

secondary

#95318F

accent

#39E4EF

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0E160B

muted

#7F857E

Preview Lab

Preview with #42E04B

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

Preview Lab → · Contrast checker → · Palette generator →