#428C1E#428C1E

#428C1E is a mid, vivid green. Relative luminance 0.200; OKLCH L 57.1% C 0.159 H 137.7°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#428C1E
RGB	rgb(66, 140, 30)
HSL	hsl(100, 65%, 33%)
HSV	hsv(100, 79%, 55%)
CMYK	cmyk(52.9%, 0%, 78.6%, 45.1%)
CIE-LAB	lab(51.85, -42.59, 48.01)
CIE-LCH	lch(51.85, 64.18, 131.58°)
OKLab	oklab(57.07% -0.1179 0.1072)
OKLCH	oklch(57.07% 0.159 137.7)
XYZ	xyz(11.8588, 20.0073, 4.4649)
Luminance	0.2001 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C1E #681E8C

analogous

#798C1E #428C1E #1E8C31

triadic

#428C1E #1E428C #8C1E42

tetradic

#428C1E #1E798C #681E8C #8C311E

square

#428C1E #1E798C #681E8C #8C311E

split-complementary

#428C1E #311E8C #8C1E79

monochromatic

#122708 #2A5A13 #428C1E #5ABE29 #7AD94C

Accessibility & contrast

On white

4.20

#428C1E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#428C1E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C1E

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C1E	#FFFFFF	#000000	##000000
##428C1E	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)

#917F03

Deuteranopia (green-blind)

#87792A

Tritanopia (blue-blind)

#3D8777

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428c1e;
/* rgb */ color: rgb(66, 140, 30);
/* oklch */ color: oklch(57.1% 0.159 137.7);

Tailwind

colors: {
  custom: {
    50: '#7eae63',
    500: '#428c1e',
    950: '#000000',
  },
}

SCSS

$custom: #428c1e;
$custom-light: #7eae63;
$custom-dark: #000000;

JSON

{
  "hex": "#428c1e",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 30
  },
  "hsl": {
    "h": 100.364,
    "s": 64.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.57074,
    "c": 0.15937,
    "h": 137.7
  },
  "luminance": 0.20008
}

Semantic roles & 50–950 ramp

primary

#428C1E

secondary

#964BBB

accent

#40E8B1

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #428C1E

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

Preview Lab → · Contrast checker → · Palette generator →