#42D370#42D370

#42D370 is a light, vivid green. Relative luminance 0.489; OKLCH L 76.8% C 0.185 H 149.9°. Best body text is #000000 at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#42D370
RGB	rgb(66, 211, 112)
HSL	hsl(139, 62%, 54%)
HSV	hsv(139, 69%, 83%)
CMYK	cmyk(68.7%, 0%, 46.9%, 17.3%)
CIE-LAB	lab(75.40, -59.44, 38.01)
CIE-LCH	lch(75.40, 70.55, 147.40°)
OKLab	oklab(76.78% -0.1601 0.0929)
OKLCH	oklch(76.78% 0.185 149.9)
XYZ	xyz(28.4634, 48.9135, 23.2673)
Luminance	0.4892 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D370 #D342A5

analogous

#5DD342 #42D370 #42D3B8

triadic

#42D370 #7042D3 #D37042

tetradic

#42D370 #425DD3 #D342A5 #D3B842

square

#42D370 #425DD3 #D342A5 #D3B842

split-complementary

#42D370 #B842D3 #D3425D

monochromatic

#1D7D3C #29AF53 #42D370 #74DF96 #A5EABB

Accessibility & contrast

On white

1.95

#42D370 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.78

#42D370 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D370

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D370	#FFFFFF	#000000	##000000
##42D370	1.00	1.95	10.78	10.78
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.78	21.00	1.00	1.00
##000000	10.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C168

Deuteranopia (green-blind)

#C3B577

Tritanopia (blue-blind)

#00CFBB

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #42d370;
/* rgb */ color: rgb(66, 211, 112);
/* oklch */ color: oklch(76.8% 0.185 149.9);

Tailwind

colors: {
  custom: {
    50: '#88e29a',
    500: '#42d370',
    950: '#000000',
  },
}

SCSS

$custom: #42d370;
$custom-light: #88e29a;
$custom-dark: #000000;

JSON

{
  "hex": "#42d370",
  "rgb": {
    "r": 66,
    "g": 211,
    "b": 112
  },
  "hsl": {
    "h": 139.034,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.76783,
    "c": 0.18508,
    "h": 149.9
  },
  "luminance": 0.48917
}

Semantic roles & 50–950 ramp

primary

#42D370

secondary

#D79AC4

accent

#42B2E5

background

#F9FDF9

surface

#F1FBF2

border

#CBD4CC

text

#0D150E

muted

#7E837E

Preview Lab

Preview with #42D370

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

Preview Lab → · Contrast checker → · Palette generator →