#42DE51#42DE51

#42DE51 is a light, highly saturated green. Relative luminance 0.540; OKLCH L 79.2% C 0.224 H 144.4°. Best body text is #000000 at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#42DE51
RGB	rgb(66, 222, 81)
HSL	hsl(126, 70%, 56%)
HSV	hsv(126, 70%, 87%)
CMYK	cmyk(70.3%, 0%, 63.5%, 12.9%)
CIE-LAB	lab(78.46, -67.27, 55.95)
CIE-LCH	lch(78.46, 87.50, 140.25°)
OKLab	oklab(79.2% -0.182 0.1301)
OKLCH	oklch(79.2% 0.224 144.4)
XYZ	xyz(29.8513, 53.9916, 16.6312)
Luminance	0.5400 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DE51 #DE42CF

analogous

#81DE42 #42DE51 #42DE9F

triadic

#42DE51 #5142DE #DE5142

tetradic

#42DE51 #4281DE #DE42CF #DE9F42

square

#42DE51 #4281DE #DE42CF #DE9F42

split-complementary

#42DE51 #9F42DE #DE4281

monochromatic

#198D24 #22C131 #42DE51 #76E781 #AAF0B1

Accessibility & contrast

On white

1.78

#42DE51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.80

#42DE51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DE51

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DE51	#FFFFFF	#000000	##000000
##42DE51	1.00	1.78	11.80	11.80
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.80	21.00	1.00	1.00
##000000	11.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2CA40

Deuteranopia (green-blind)

#D0BD5D

Tritanopia (blue-blind)

#00D8C1

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #42de51;
/* rgb */ color: rgb(66, 222, 81);
/* oklch */ color: oklch(79.2% 0.224 144.4);

Tailwind

colors: {
  custom: {
    50: '#8bea87',
    500: '#42de51',
    950: '#000000',
  },
}

SCSS

$custom: #42de51;
$custom-light: #8bea87;
$custom-dark: #000000;

JSON

{
  "hex": "#42de51",
  "rgb": {
    "r": 66,
    "g": 222,
    "b": 81
  },
  "hsl": {
    "h": 125.769,
    "s": 70.27,
    "l": 56.471
  },
  "oklch": {
    "l": 0.79201,
    "c": 0.22371,
    "h": 144.4
  },
  "luminance": 0.53995
}

Semantic roles & 50–950 ramp

primary

#42DE51

secondary

#923289

accent

#3BDCED

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #42DE51

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

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