#428C2D#428C2D

#428C2D is a mid, vivid green. Relative luminance 0.201; OKLCH L 57.2% C 0.150 H 139.5°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#428C2D
RGB	rgb(66, 140, 45)
HSL	hsl(107, 51%, 36%)
HSV	hsv(107, 68%, 55%)
CMYK	cmyk(52.9%, 0%, 67.9%, 45.1%)
CIE-LAB	lab(51.95, -41.39, 42.24)
CIE-LCH	lch(51.95, 59.13, 134.42°)
OKLab	oklab(57.2% -0.1137 0.0972)
OKLCH	oklch(57.2% 0.15 139.5)
XYZ	xyz(12.0980, 20.1030, 5.7249)
Luminance	0.2010 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C2D #772D8C

analogous

#728C2D #428C2D #2D8C48

triadic

#428C2D #2D428C #8C2D42

tetradic

#428C2D #2D728C #772D8C #8C482D

square

#428C2D #2D728C #772D8C #8C482D

split-complementary

#428C2D #482D8C #8C2D72

monochromatic

#162F0F #2C5E1E #428C2D #58BA3C #7DCE66

Accessibility & contrast

On white

4.18

#428C2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#428C2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C2D

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C2D	#FFFFFF	#000000	##000000
##428C2D	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908020

Deuteranopia (green-blind)

#867935

Tritanopia (blue-blind)

#3B8779

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428c2d;
/* rgb */ color: rgb(66, 140, 45);
/* oklch */ color: oklch(57.2% 0.150 139.5);

Tailwind

colors: {
  custom: {
    50: '#7eae6b',
    500: '#428c2d',
    950: '#000000',
  },
}

SCSS

$custom: #428c2d;
$custom-light: #7eae6b;
$custom-dark: #000000;

JSON

{
  "hex": "#428c2d",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 45
  },
  "hsl": {
    "h": 106.737,
    "s": 51.351,
    "l": 36.275
  },
  "oklch": {
    "l": 0.57198,
    "c": 0.14958,
    "h": 139.5
  },
  "luminance": 0.20104
}

Semantic roles & 50–950 ramp

primary

#428C2D

secondary

#A260B4

accent

#4DDBBB

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0A1007

muted

#7C7F7A

Preview Lab

Preview with #428C2D

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

Preview Lab → · Contrast checker → · Palette generator →