#42DA8B#42DA8B

#42DA8B is a light, vivid green. Relative luminance 0.532; OKLCH L 79.0% C 0.170 H 155.9°. Best body text is #000000 at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#42DA8B
RGB	rgb(66, 218, 139)
HSL	hsl(149, 67%, 56%)
HSV	hsv(149, 70%, 85%)
CMYK	cmyk(69.7%, 0%, 36.2%, 14.5%)
CIE-LAB	lab(77.97, -57.30, 27.68)
CIE-LCH	lch(77.97, 63.63, 154.22°)
OKLab	oklab(79.04% -0.155 0.0694)
OKLCH	oklch(79.04% 0.17 155.9)
XYZ	xyz(31.9754, 53.1615, 32.9971)
Luminance	0.5316 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DA8B #DA4291

analogous

#45DA42 #42DA8B #42DAD7

triadic

#42DA8B #8B42DA #DA8B42

tetradic

#42DA8B #4245DA #DA4291 #DAD742

square

#42DA8B #4245DA #DA4291 #DAD742

split-complementary

#42DA8B #D742DA #DA4245

monochromatic

#1A874F #24BA6C #42DA8B #75E4AA #A8EECA

Accessibility & contrast

On white

1.81

#42DA8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.63

#42DA8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DA8B

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DA8B	#FFFFFF	#000000	##000000
##42DA8B	1.00	1.81	11.63	11.63
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.63	21.00	1.00	1.00
##000000	11.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C986

Deuteranopia (green-blind)

#C6BB90

Tritanopia (blue-blind)

#00D8C6

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #42da8b;
/* rgb */ color: rgb(66, 218, 139);
/* oklch */ color: oklch(79.0% 0.170 155.9);

Tailwind

colors: {
  custom: {
    50: '#89e6ad',
    500: '#42da8b',
    950: '#000000',
  },
}

SCSS

$custom: #42da8b;
$custom-light: #89e6ad;
$custom-dark: #000000;

JSON

{
  "hex": "#42da8b",
  "rgb": {
    "r": 66,
    "g": 218,
    "b": 139
  },
  "hsl": {
    "h": 148.816,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.79041,
    "c": 0.16983,
    "h": 155.9
  },
  "luminance": 0.53165
}

Semantic roles & 50–950 ramp

primary

#42DA8B

secondary

#8D3362

accent

#3E97EA

background

#FCFEFD

surface

#F4FDF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #42DA8B

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

Preview Lab → · Contrast checker → · Palette generator →