#42DE3B#42DE3B

#42DE3B is a light, highly saturated green. Relative luminance 0.537; OKLCH L 79.0% C 0.238 H 142.4°. Best body text is #000000 at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#42DE3B
RGB	rgb(66, 222, 59)
HSL	hsl(117, 71%, 55%)
HSV	hsv(117, 73%, 87%)
CMYK	cmyk(70.3%, 0%, 73.4%, 12.9%)
CIE-LAB	lab(78.29, -69.23, 64.18)
CIE-LCH	lch(78.29, 94.40, 137.17°)
OKLab	oklab(79.01% -0.1883 0.1449)
OKLCH	oklch(79.01% 0.238 142.4)
XYZ	xyz(29.1557, 53.7134, 12.9680)
Luminance	0.5372 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DE3B #D73BDE

analogous

#94DE3B #42DE3B #3BDE85

triadic

#42DE3B #3B42DE #DE3B42

tetradic

#42DE3B #3B94DE #D73BDE #DE853B

square

#42DE3B #3B94DE #D73BDE #DE853B

split-complementary

#42DE3B #853BDE #DE3B94

monochromatic

#1C8817 #26BC20 #42DE3B #75E76F #A7F0A4

Accessibility & contrast

On white

1.79

#42DE3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.74

#42DE3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DE3B

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DE3B	#FFFFFF	#000000	##000000
##42DE3B	1.00	1.79	11.74	11.74
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.74	21.00	1.00	1.00
##000000	11.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3C91B

Deuteranopia (green-blind)

#D1BD4C

Tritanopia (blue-blind)

#0ED7BF

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #42de3b;
/* rgb */ color: rgb(66, 222, 59);
/* oklch */ color: oklch(79.0% 0.238 142.4);

Tailwind

colors: {
  custom: {
    50: '#8cea7b',
    500: '#42de3b',
    950: '#000000',
  },
}

SCSS

$custom: #42de3b;
$custom-light: #8cea7b;
$custom-dark: #000000;

JSON

{
  "hex": "#42de3b",
  "rgb": {
    "r": 66,
    "g": 222,
    "b": 59
  },
  "hsl": {
    "h": 117.423,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.79014,
    "c": 0.23759,
    "h": 142.4
  },
  "luminance": 0.53717
}

Semantic roles & 50–950 ramp

primary

#42DE3B

secondary

#8A2F8E

accent

#3AEEE6

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160A

muted

#7F847D

Preview Lab

Preview with #42DE3B

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

Preview Lab → · Contrast checker → · Palette generator →