#42D979#42D979

#42D979 is a light, vivid green. Relative luminance 0.522; OKLCH L 78.5% C 0.185 H 151.3°. Best body text is #000000 at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#42D979
RGB	rgb(66, 217, 121)
HSL	hsl(142, 67%, 55%)
HSV	hsv(142, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 44.2%, 14.9%)
CIE-LAB	lab(77.38, -60.14, 36.05)
CIE-LCH	lch(77.38, 70.12, 149.06°)
OKLab	oklab(78.46% -0.162 0.0887)
OKLCH	oklch(78.46% 0.185 151.3)
XYZ	xyz(30.5083, 52.1610, 26.5457)
Luminance	0.5216 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D979 #D942A2

analogous

#56D942 #42D979 #42D9C4

triadic

#42D979 #7942D9 #D97942

tetradic

#42D979 #4256D9 #D942A2 #D9C442

square

#42D979 #4256D9 #D942A2 #D9C442

split-complementary

#42D979 #C442D9 #D94256

monochromatic

#1B8642 #25B95B #42D979 #75E39D #A8EDC1

Accessibility & contrast

On white

1.84

#42D979 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.43

#42D979 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D979

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D979	#FFFFFF	#000000	##000000
##42D979	1.00	1.84	11.43	11.43
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.43	21.00	1.00	1.00
##000000	11.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC772

Deuteranopia (green-blind)

#C7BA80

Tritanopia (blue-blind)

#00D6C2

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #42d979;
/* rgb */ color: rgb(66, 217, 121);
/* oklch */ color: oklch(78.5% 0.185 151.3);

Tailwind

colors: {
  custom: {
    50: '#89e6a1',
    500: '#42d979',
    950: '#000000',
  },
}

SCSS

$custom: #42d979;
$custom-light: #89e6a1;
$custom-dark: #000000;

JSON

{
  "hex": "#42d979",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 121
  },
  "hsl": {
    "h": 141.854,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.78458,
    "c": 0.18469,
    "h": 151.3
  },
  "luminance": 0.52164
}

Semantic roles & 50–950 ramp

primary

#42D979

secondary

#8C336C

accent

#3EABE9

background

#FCFEFC

surface

#F4FCF5

border

#CED5CF

text

#0D160F

muted

#7F8480

Preview Lab

Preview with #42D979

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

Preview Lab → · Contrast checker → · Palette generator →