#428B2A#428B2A

#428B2A is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.9% C 0.150 H 139.0°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#428B2A
RGB	rgb(66, 139, 42)
HSL	hsl(105, 54%, 35%)
HSV	hsv(105, 70%, 55%)
CMYK	cmyk(52.5%, 0%, 69.8%, 45.5%)
CIE-LAB	lab(51.60, -41.26, 43.15)
CIE-LCH	lch(51.60, 59.70, 133.72°)
OKLab	oklab(56.9% -0.1136 0.0987)
OKLCH	oklch(56.9% 0.15 139)
XYZ	xyz(11.8968, 19.7898, 5.3829)
Luminance	0.1979 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428B2A #732A8B

analogous

#728B2A #428B2A #2A8B43

triadic

#428B2A #2A428B #8B2A42

tetradic

#428B2A #2A728B #732A8B #8B432A

square

#428B2A #2A728B #732A8B #8B432A

split-complementary

#428B2A #432A8B #8B2A72

monochromatic

#152D0E #2C5C1C #428B2A #58BA38 #7CCF60

Accessibility & contrast

On white

4.24

#428B2A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#428B2A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B2A

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428B2A	#FFFFFF	#000000	##000000
##428B2A	1.00	4.24	4.96	4.96
#FFFFFF	4.24	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)

#8F7F1C

Deuteranopia (green-blind)

#867933

Tritanopia (blue-blind)

#3B8677

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428b2a;
/* rgb */ color: rgb(66, 139, 42);
/* oklch */ color: oklch(56.9% 0.150 139.0);

Tailwind

colors: {
  custom: {
    50: '#7ead69',
    500: '#428b2a',
    950: '#000000',
  },
}

SCSS

$custom: #428b2a;
$custom-light: #7ead69;
$custom-dark: #000000;

JSON

{
  "hex": "#428b2a",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 42
  },
  "hsl": {
    "h": 105.155,
    "s": 53.591,
    "l": 35.49
  },
  "oklch": {
    "l": 0.56898,
    "c": 0.15048,
    "h": 139
  },
  "luminance": 0.19791
}

Semantic roles & 50–950 ramp

primary

#428B2A

secondary

#9F5CB5

accent

#4BDDB9

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0A1007

muted

#7C7F7A

Preview Lab

Preview with #428B2A

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

Preview Lab → · Contrast checker → · Palette generator →