#428E37#428E37

#428E37 is a mid, vivid green. Relative luminance 0.208; OKLCH L 57.8% C 0.144 H 141.2°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#428E37
RGB	rgb(66, 142, 55)
HSL	hsl(112, 44%, 39%)
HSV	hsv(112, 61%, 56%)
CMYK	cmyk(53.5%, 0%, 61.3%, 44.3%)
CIE-LAB	lab(52.71, -41.15, 38.49)
CIE-LCH	lch(52.71, 56.34, 136.91°)
OKLab	oklab(57.85% -0.1124 0.0903)
OKLCH	oklch(57.85% 0.144 141.2)
XYZ	xyz(12.6088, 20.7791, 6.9600)
Luminance	0.2078 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E37 #83378E

analogous

#6D8E37 #428E37 #378E57

triadic

#428E37 #37428E #8E3742

tetradic

#428E37 #376D8E #83378E #8E5737

square

#428E37 #376D8E #83378E #8E5737

split-complementary

#428E37 #57378E #8E376D

monochromatic

#193615 #2D6226 #428E37 #58B949 #80CA76

Accessibility & contrast

On white

4.07

#428E37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#428E37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E37

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E37	#FFFFFF	#000000	##000000
##428E37	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91822E

Deuteranopia (green-blind)

#877B3E

Tritanopia (blue-blind)

#398A7B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428e37;
/* rgb */ color: rgb(66, 142, 55);
/* oklch */ color: oklch(57.8% 0.144 141.2);

Tailwind

colors: {
  custom: {
    50: '#7db071',
    500: '#428e37',
    950: '#000000',
  },
}

SCSS

$custom: #428e37;
$custom-light: #7db071;
$custom-dark: #000000;

JSON

{
  "hex": "#428e37",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 55
  },
  "hsl": {
    "h": 112.414,
    "s": 44.162,
    "l": 38.627
  },
  "oklch": {
    "l": 0.57849,
    "c": 0.14421,
    "h": 141.2
  },
  "luminance": 0.2078
}

Semantic roles & 50–950 ramp

primary

#428E37

secondary

#AA6EB3

accent

#54D4C4

background

#F8FAF6

surface

#EFF5EC

border

#CACFC7

text

#0A1008

muted

#7C7F7B

Preview Lab

Preview with #428E37

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

Preview Lab → · Contrast checker → · Palette generator →