#42AE40#42AE40

#42AE40 is a light, vivid green. Relative luminance 0.318; OKLCH L 66.5% C 0.179 H 143.0°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#42AE40
RGB	rgb(66, 174, 64)
HSL	hsl(119, 46%, 47%)
HSV	hsv(119, 63%, 68%)
CMYK	cmyk(62.1%, 0%, 63.2%, 31.8%)
CIE-LAB	lab(63.18, -52.52, 46.21)
CIE-LCH	lch(63.18, 69.95, 138.66°)
OKLab	oklab(66.51% -0.1428 0.1077)
OKLCH	oklch(66.51% 0.179 143)
XYZ	xyz(18.3072, 31.7988, 10.0225)
Luminance	0.3180 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AE40 #AC40AE

analogous

#79AE40 #42AE40 #40AE75

triadic

#42AE40 #4042AE #AE4042

tetradic

#42AE40 #4079AE #AC40AE #AE7540

square

#42AE40 #4079AE #AC40AE #AE7540

split-complementary

#42AE40 #7540AE #AE4079

monochromatic

#20551F #318130 #42AE40 #67C665 #93D792

Accessibility & contrast

On white

2.85

#42AE40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#42AE40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AE40

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AE40	#FFFFFF	#000000	##000000
##42AE40	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29E33

Deuteranopia (green-blind)

#A49549

Tritanopia (blue-blind)

#2DA997

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #42ae40;
/* rgb */ color: rgb(66, 174, 64);
/* oklch */ color: oklch(66.5% 0.179 143.0);

Tailwind

colors: {
  custom: {
    50: '#83c779',
    500: '#42ae40',
    950: '#000000',
  },
}

SCSS

$custom: #42ae40;
$custom-light: #83c779;
$custom-dark: #000000;

JSON

{
  "hex": "#42ae40",
  "rgb": {
    "r": 66,
    "g": 174,
    "b": 64
  },
  "hsl": {
    "h": 118.909,
    "s": 46.218,
    "l": 46.667
  },
  "oklch": {
    "l": 0.66506,
    "c": 0.17884,
    "h": 143
  },
  "luminance": 0.31801
}

Semantic roles & 50–950 ramp

primary

#42AE40

secondary

#C188C2

accent

#52D6D3

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #42AE40

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

Preview Lab → · Contrast checker → · Palette generator →