#42E28F#42E28F

#42E28F is a light, vivid green. Relative luminance 0.575; OKLCH L 81.1% C 0.177 H 155.7°. Best body text is #000000 at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#42E28F
RGB	rgb(66, 226, 143)
HSL	hsl(149, 73%, 57%)
HSV	hsv(149, 71%, 89%)
CMYK	cmyk(70.8%, 0%, 36.7%, 11.4%)
CIE-LAB	lab(80.48, -59.53, 28.98)
CIE-LCH	lch(80.48, 66.21, 154.04°)
OKLab	oklab(81.13% -0.1609 0.0726)
OKLCH	oklch(81.13% 0.177 155.7)
XYZ	xyz(34.3978, 57.5302, 35.2729)
Luminance	0.5753 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E28F #E24295

analogous

#45E242 #42E28F #42E2DF

triadic

#42E28F #8F42E2 #E28F42

tetradic

#42E28F #4245E2 #E24295 #E2DF42

square

#42E28F #4245E2 #E24295 #E2DF42

split-complementary

#42E28F #DF42E2 #E24245

monochromatic

#179352 #1FC870 #42E28F #77EAAE #ACF2CE

Accessibility & contrast

On white

1.68

#42E28F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.51

#42E28F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E28F

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E28F	#FFFFFF	#000000	##000000
##42E28F	1.00	1.68	12.51	12.51
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.51	21.00	1.00	1.00
##000000	12.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1D08A

Deuteranopia (green-blind)

#CDC294

Tritanopia (blue-blind)

#00E0CD

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #42e28f;
/* rgb */ color: rgb(66, 226, 143);
/* oklch */ color: oklch(81.1% 0.177 155.7);

Tailwind

colors: {
  custom: {
    50: '#8becb0',
    500: '#42e28f',
    950: '#000000',
  },
}

SCSS

$custom: #42e28f;
$custom-light: #8becb0;
$custom-dark: #000000;

JSON

{
  "hex": "#42e28f",
  "rgb": {
    "r": 66,
    "g": 226,
    "b": 143
  },
  "hsl": {
    "h": 148.875,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.81128,
    "c": 0.17655,
    "h": 155.7
  },
  "luminance": 0.57534
}

Semantic roles & 50–950 ramp

primary

#42E28F

secondary

#983166

accent

#3897F0

background

#FCFFFD

surface

#F4FEF7

border

#CED6D0

text

#0D1610

muted

#7F8581

Preview Lab

Preview with #42E28F

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

Preview Lab → · Contrast checker → · Palette generator →