#42B027#42B027

#42B027 is a light, vivid green. Relative luminance 0.324; OKLCH L 66.8% C 0.197 H 140.3°. Best body text is #000000 at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#42B027
RGB	rgb(66, 176, 39)
HSL	hsl(108, 64%, 42%)
HSV	hsv(108, 78%, 69%)
CMYK	cmyk(62.5%, 0%, 77.8%, 31%)
CIE-LAB	lab(63.63, -55.39, 56.39)
CIE-LCH	lch(63.63, 79.05, 134.49°)
OKLab	oklab(66.83% -0.1519 0.126)
OKLCH	oklch(66.83% 0.197 140.3)
XYZ	xyz(18.1375, 32.3537, 7.2081)
Luminance	0.3236 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B027 #9527B0

analogous

#87B027 #42B027 #27B050

triadic

#42B027 #2742B0 #B02742

tetradic

#42B027 #2787B0 #9527B0 #B05027

square

#42B027 #2787B0 #9527B0 #B05027

split-complementary

#42B027 #5027B0 #B02787

monochromatic

#1C4C11 #2F7E1C #42B027 #5DD540 #87E072

Accessibility & contrast

On white

2.81

#42B027 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.47

#42B027 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B027

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B027	#FFFFFF	#000000	##000000
##42B027	1.00	2.81	7.47	7.47
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.47	21.00	1.00	1.00
##000000	7.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A001

Deuteranopia (green-blind)

#A89737

Tritanopia (blue-blind)

#32AA96

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #42b027;
/* rgb */ color: rgb(66, 176, 39);
/* oklch */ color: oklch(66.8% 0.197 140.3);

Tailwind

colors: {
  custom: {
    50: '#84c96c',
    500: '#42b027',
    950: '#000000',
  },
}

SCSS

$custom: #42b027;
$custom-light: #84c96c;
$custom-dark: #000000;

JSON

{
  "hex": "#42b027",
  "rgb": {
    "r": 66,
    "g": 176,
    "b": 39
  },
  "hsl": {
    "h": 108.175,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.66826,
    "c": 0.19734,
    "h": 140.3
  },
  "luminance": 0.32355
}

Semantic roles & 50–950 ramp

primary

#42B027

secondary

#B56CC7

accent

#41E7C6

background

#F8FCF6

surface

#F0F8EC

border

#CBD1C7

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #42B027

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

Preview Lab → · Contrast checker → · Palette generator →