#42DA5B#42DA5B

#42DA5B is a light, highly saturated green. Relative luminance 0.521; OKLCH L 78.3% C 0.212 H 145.8°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#42DA5B
RGB	rgb(66, 218, 91)
HSL	hsl(130, 67%, 56%)
HSV	hsv(130, 70%, 85%)
CMYK	cmyk(69.7%, 0%, 58.3%, 14.5%)
CIE-LAB	lab(77.31, -64.81, 50.30)
CIE-LCH	lch(77.31, 82.04, 142.18°)
OKLab	oklab(78.28% -0.1749 0.1189)
OKLCH	oklch(78.28% 0.212 145.8)
XYZ	xyz(29.2045, 52.0532, 18.4037)
Luminance	0.5206 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DA5B #DA42C1

analogous

#75DA42 #42DA5B #42DAA7

triadic

#42DA5B #5B42DA #DA5B42

tetradic

#42DA5B #4275DA #DA42C1 #DAA742

square

#42DA5B #4275DA #DA42C1 #DAA742

split-complementary

#42DA5B #A742DA #DA4275

monochromatic

#1A872C #24BA3D #42DA5B #75E487 #A8EEB4

Accessibility & contrast

On white

1.84

#42DA5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.41

#42DA5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DA5B

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DA5B	#FFFFFF	#000000	##000000
##42DA5B	1.00	1.84	11.41	11.41
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.41	21.00	1.00	1.00
##000000	11.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC64E

Deuteranopia (green-blind)

#CBBA65

Tritanopia (blue-blind)

#00D5BE

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #42da5b;
/* rgb */ color: rgb(66, 218, 91);
/* oklch */ color: oklch(78.3% 0.212 145.8);

Tailwind

colors: {
  custom: {
    50: '#8ae78d',
    500: '#42da5b',
    950: '#000000',
  },
}

SCSS

$custom: #42da5b;
$custom-light: #8ae78d;
$custom-dark: #000000;

JSON

{
  "hex": "#42da5b",
  "rgb": {
    "r": 66,
    "g": 218,
    "b": 91
  },
  "hsl": {
    "h": 129.868,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.78284,
    "c": 0.21152,
    "h": 145.8
  },
  "luminance": 0.52056
}

Semantic roles & 50–950 ramp

primary

#42DA5B

secondary

#8D337E

accent

#3ECEEA

background

#FCFEFC

surface

#F4FDF4

border

#CED5CE

text

#0D160C

muted

#7F847F

Preview Lab

Preview with #42DA5B

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

Preview Lab → · Contrast checker → · Palette generator →