#428B2C#428B2C

#428B2C is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.9% C 0.149 H 139.3°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#428B2C
RGB	rgb(66, 139, 44)
HSL	hsl(106, 52%, 36%)
HSV	hsv(106, 68%, 55%)
CMYK	cmyk(52.5%, 0%, 68.3%, 45.5%)
CIE-LAB	lab(51.62, -41.08, 42.31)
CIE-LCH	lch(51.62, 58.97, 134.16°)
OKLab	oklab(56.92% -0.1129 0.0972)
OKLCH	oklch(56.92% 0.149 139.3)
XYZ	xyz(11.9335, 19.8044, 5.5762)
Luminance	0.1981 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B2C #752C8B

analogous

#718B2C #428B2C #2C8B45

triadic

#428B2C #2C428B #8B2C42

tetradic

#428B2C #2C718B #752C8B #8B452C

square

#428B2C #2C718B #752C8B #8B452C

split-complementary

#428B2C #452C8B #8B2C71

monochromatic

#162E0F #2C5D1D #428B2C #58B93B #7CCE64

Accessibility & contrast

On white

4.23

#428B2C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#428B2C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B2C

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B2C	#FFFFFF	#000000	##000000
##428B2C	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7F1F

Deuteranopia (green-blind)

#867934

Tritanopia (blue-blind)

#3B8678

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428b2c;
/* rgb */ color: rgb(66, 139, 44);
/* oklch */ color: oklch(56.9% 0.149 139.3);

Tailwind

colors: {
  custom: {
    50: '#7ead6a',
    500: '#428b2c',
    950: '#000000',
  },
}

SCSS

$custom: #428b2c;
$custom-light: #7ead6a;
$custom-dark: #000000;

JSON

{
  "hex": "#428b2c",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 44
  },
  "hsl": {
    "h": 106.105,
    "s": 51.913,
    "l": 35.882
  },
  "oklch": {
    "l": 0.56917,
    "c": 0.14901,
    "h": 139.3
  },
  "luminance": 0.19805
}

Semantic roles & 50–950 ramp

primary

#428B2C

secondary

#A05FB4

accent

#4CDBBA

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0A1007

muted

#7C7F7A

Preview Lab

Preview with #428B2C

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

Preview Lab → · Contrast checker → · Palette generator →