#42E340#42E340

#42E340 is a light, highly saturated green. Relative luminance 0.565; OKLCH L 80.3% C 0.240 H 142.8°. Best body text is #000000 at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#42E340
RGB	rgb(66, 227, 64)
HSL	hsl(119, 74%, 57%)
HSV	hsv(119, 72%, 89%)
CMYK	cmyk(70.9%, 0%, 71.8%, 11%)
CIE-LAB	lab(79.88, -70.43, 64.04)
CIE-LCH	lch(79.88, 95.19, 137.72°)
OKLab	oklab(80.34% -0.1913 0.1453)
OKLCH	oklch(80.34% 0.24 142.8)
XYZ	xyz(30.6394, 56.4632, 14.1332)
Luminance	0.5647 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E340 #E140E3

analogous

#93E340 #42E340 #40E390

triadic

#42E340 #4042E3 #E34042

tetradic

#42E340 #4093E3 #E140E3 #E39040

square

#42E340 #4093E3 #E140E3 #E39040

split-complementary

#42E340 #9040E3 #E34093

monochromatic

#179316 #1FC81D #42E340 #77EB75 #ACF3AB

Accessibility & contrast

On white

1.71

#42E340 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.29

#42E340 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E340

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E340	#FFFFFF	#000000	##000000
##42E340	1.00	1.71	12.29	12.29
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.29	21.00	1.00	1.00
##000000	12.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8CE23

Deuteranopia (green-blind)

#D6C151

Tritanopia (blue-blind)

#01DCC3

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #42e340;
/* rgb */ color: rgb(66, 227, 64);
/* oklch */ color: oklch(80.3% 0.240 142.8);

Tailwind

colors: {
  custom: {
    50: '#8ded7e',
    500: '#42e340',
    950: '#000000',
  },
}

SCSS

$custom: #42e340;
$custom-light: #8ded7e;
$custom-dark: #000000;

JSON

{
  "hex": "#42e340",
  "rgb": {
    "r": 66,
    "g": 227,
    "b": 64
  },
  "hsl": {
    "h": 119.264,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.80337,
    "c": 0.24019,
    "h": 142.8
  },
  "luminance": 0.56467
}

Semantic roles & 50–950 ramp

primary

#42E340

secondary

#963097

accent

#37F1EF

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0E160B

muted

#7F857E

Preview Lab

Preview with #42E340

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

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