#428E28#428E28

#428E28 is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.7% C 0.156 H 138.9°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#428E28
RGB	rgb(66, 142, 40)
HSL	hsl(105, 56%, 36%)
HSV	hsv(105, 72%, 56%)
CMYK	cmyk(53.5%, 0%, 71.8%, 44.3%)
CIE-LAB	lab(52.57, -42.65, 44.99)
CIE-LCH	lch(52.57, 61.99, 133.47°)
OKLab	oklab(57.69% -0.1174 0.1023)
OKLCH	oklch(57.69% 0.156 138.9)
XYZ	xyz(12.3023, 20.6565, 5.3459)
Luminance	0.2066 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E28 #74288E

analogous

#758E28 #428E28 #288E41

triadic

#428E28 #28428E #8E2842

tetradic

#428E28 #28758E #74288E #8E4128

square

#428E28 #28758E #74288E #8E4128

split-complementary

#428E28 #41288E #8E2875

monochromatic

#162F0D #2C5E1B #428E28 #58BE35 #7CD25F

Accessibility & contrast

On white

4.09

#428E28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#428E28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E28

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E28	#FFFFFF	#000000	##000000
##428E28	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928118

Deuteranopia (green-blind)

#887B32

Tritanopia (blue-blind)

#3B897A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428e28;
/* rgb */ color: rgb(66, 142, 40);
/* oklch */ color: oklch(57.7% 0.156 138.9);

Tailwind

colors: {
  custom: {
    50: '#7eb068',
    500: '#428e28',
    950: '#000000',
  },
}

SCSS

$custom: #428e28;
$custom-light: #7eb068;
$custom-dark: #000000;

JSON

{
  "hex": "#428e28",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 40
  },
  "hsl": {
    "h": 104.706,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57694,
    "c": 0.15576,
    "h": 138.9
  },
  "luminance": 0.20657
}

Semantic roles & 50–950 ramp

primary

#428E28

secondary

#A05BB7

accent

#48DFB9

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #428E28

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

Preview Lab → · Contrast checker → · Palette generator →