#428C2F#428C2F

#428C2F is a mid, vivid green. Relative luminance 0.201; OKLCH L 57.2% C 0.148 H 139.8°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#428C2F
RGB	rgb(66, 140, 47)
HSL	hsl(108, 50%, 37%)
HSV	hsv(108, 66%, 55%)
CMYK	cmyk(52.9%, 0%, 66.4%, 45.1%)
CIE-LAB	lab(51.97, -41.19, 41.37)
CIE-LCH	lch(51.97, 58.38, 134.88°)
OKLab	oklab(57.22% -0.113 0.0956)
OKLCH	oklch(57.22% 0.148 139.8)
XYZ	xyz(12.1374, 20.1187, 5.9325)
Luminance	0.2012 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C2F #792F8C

analogous

#718C2F #428C2F #2F8C4B

triadic

#428C2F #2F428C #8C2F42

tetradic

#428C2F #2F718C #792F8C #8C4B2F

square

#428C2F #2F718C #792F8C #8C4B2F

split-complementary

#428C2F #4B2F8C #8C2F71

monochromatic

#173010 #2C5E20 #428C2F #58BA3E #7DCD69

Accessibility & contrast

On white

4.18

#428C2F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#428C2F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C2F

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C2F	#FFFFFF	#000000	##000000
##428C2F	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)

#908023

Deuteranopia (green-blind)

#867A37

Tritanopia (blue-blind)

#3B8779

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428c2f;
/* rgb */ color: rgb(66, 140, 47);
/* oklch */ color: oklch(57.2% 0.148 139.8);

Tailwind

colors: {
  custom: {
    50: '#7eae6c',
    500: '#428c2f',
    950: '#000000',
  },
}

SCSS

$custom: #428c2f;
$custom-light: #7eae6c;
$custom-dark: #000000;

JSON

{
  "hex": "#428c2f",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 47
  },
  "hsl": {
    "h": 107.742,
    "s": 49.733,
    "l": 36.667
  },
  "oklch": {
    "l": 0.57218,
    "c": 0.14805,
    "h": 139.8
  },
  "luminance": 0.2012
}

Semantic roles & 50–950 ramp

primary

#428C2F

secondary

#A363B4

accent

#4FD9BD

background

#F8FAF6

surface

#EFF4EC

border

#CACEC7

text

#0A1007

muted

#7C7F7A

Preview Lab

Preview with #428C2F

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

Preview Lab → · Contrast checker → · Palette generator →