#428C1D#428C1D

#428C1D is a mid, vivid green. Relative luminance 0.200; OKLCH L 57.1% C 0.160 H 137.7°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#428C1D
RGB	rgb(66, 140, 29)
HSL	hsl(100, 66%, 33%)
HSV	hsv(100, 79%, 55%)
CMYK	cmyk(52.9%, 0%, 79.3%, 45.1%)
CIE-LAB	lab(51.84, -42.66, 48.34)
CIE-LCH	lch(51.84, 64.47, 131.43°)
OKLab	oklab(57.07% -0.1182 0.1077)
OKLCH	oklch(57.07% 0.16 137.7)
XYZ	xyz(11.8462, 20.0022, 4.3987)
Luminance	0.2000 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C1D #671D8C

analogous

#798C1D #428C1D #1D8C2F

triadic

#428C1D #1D428C #8C1D42

tetradic

#428C1D #1D798C #671D8C #8C2F1D

square

#428C1D #1D798C #671D8C #8C2F1D

split-complementary

#428C1D #2F1D8C #8C1D79

monochromatic

#122708 #2A5912 #428C1D #5ABF28 #7AD94A

Accessibility & contrast

On white

4.20

#428C1D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#428C1D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C1D

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C1D	#FFFFFF	#000000	##000000
##428C1D	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#917F00

Deuteranopia (green-blind)

#877929

Tritanopia (blue-blind)

#3D8777

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428c1d;
/* rgb */ color: rgb(66, 140, 29);
/* oklch */ color: oklch(57.1% 0.160 137.7);

Tailwind

colors: {
  custom: {
    50: '#7eae62',
    500: '#428c1d',
    950: '#000000',
  },
}

SCSS

$custom: #428c1d;
$custom-light: #7eae62;
$custom-dark: #000000;

JSON

{
  "hex": "#428c1d",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 29
  },
  "hsl": {
    "h": 100,
    "s": 65.68,
    "l": 33.137
  },
  "oklch": {
    "l": 0.57068,
    "c": 0.15991,
    "h": 137.7
  },
  "luminance": 0.20003
}

Semantic roles & 50–950 ramp

primary

#428C1D

secondary

#9549BC

accent

#3FE9B0

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #428C1D

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

Preview Lab → · Contrast checker → · Palette generator →