#428F20#428F20

#428F20 is a mid, vivid green. Relative luminance 0.209; OKLCH L 57.9% C 0.162 H 138.2°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#428F20
RGB	rgb(66, 143, 32)
HSL	hsl(102, 63%, 34%)
HSV	hsv(102, 78%, 56%)
CMYK	cmyk(53.8%, 0%, 77.6%, 43.9%)
CIE-LAB	lab(52.85, -43.65, 48.29)
CIE-LCH	lch(52.85, 65.09, 132.11°)
OKLab	oklab(57.9% -0.1207 0.1081)
OKLCH	oklch(57.9% 0.162 138.2)
XYZ	xyz(12.3295, 20.9065, 4.7519)
Luminance	0.2091 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F20 #6D208F

analogous

#7A8F20 #428F20 #208F36

triadic

#428F20 #20428F #8F2042

tetradic

#428F20 #207A8F #6D208F #8F3620

square

#428F20 #207A8F #6D208F #8F3620

split-complementary

#428F20 #36208F #8F207A

monochromatic

#142B0A #2B5D15 #428F20 #59C12B #7BD851

Accessibility & contrast

On white

4.05

#428F20 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#428F20 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F20

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F20	#FFFFFF	#000000	##000000
##428F20	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948206

Deuteranopia (green-blind)

#8A7C2C

Tritanopia (blue-blind)

#3C8A7A

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428f20;
/* rgb */ color: rgb(66, 143, 32);
/* oklch */ color: oklch(57.9% 0.162 138.2);

Tailwind

colors: {
  custom: {
    50: '#7fb064',
    500: '#428f20',
    950: '#000000',
  },
}

SCSS

$custom: #428f20;
$custom-light: #7fb064;
$custom-dark: #000000;

JSON

{
  "hex": "#428f20",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 32
  },
  "hsl": {
    "h": 101.622,
    "s": 63.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.57903,
    "c": 0.16197,
    "h": 138.2
  },
  "luminance": 0.20907
}

Semantic roles & 50–950 ramp

primary

#428F20

secondary

#9A4FBB

accent

#41E6B4

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #428F20

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

Preview Lab → · Contrast checker → · Palette generator →