#428128#428128

#428128 is a mid, vivid green. Relative luminance 0.170; OKLCH L 54.2% C 0.139 H 138.0°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#428128
RGB	rgb(66, 129, 40)
HSL	hsl(102, 53%, 33%)
HSV	hsv(102, 69%, 51%)
CMYK	cmyk(48.8%, 0%, 69%, 49.4%)
CIE-LAB	lab(48.27, -37.29, 40.47)
CIE-LCH	lch(48.27, 55.03, 132.66°)
OKLab	oklab(54.16% -0.1029 0.0928)
OKLCH	oklch(54.16% 0.139 138)
XYZ	xyz(10.4797, 17.0113, 4.7384)
Luminance	0.1701 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428128 #672881

analogous

#6E8128 #428128 #28813A

triadic

#428128 #284281 #812842

tetradic

#428128 #286E81 #672881 #813A28

square

#428128 #286E81 #672881 #813A28

split-complementary

#428128 #3A2881 #81286E

monochromatic

#12240B #2A521A #428128 #5AB036 #7ACB58

Accessibility & contrast

On white

4.77

#428128 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#428128 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #428128

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428128	#FFFFFF	#000000	##FFFFFF
##428128	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#85761C

Deuteranopia (green-blind)

#7D7130

Tritanopia (blue-blind)

#3E7C6F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #428128;
/* rgb */ color: rgb(66, 129, 40);
/* oklch */ color: oklch(54.2% 0.139 138.0);

Tailwind

colors: {
  custom: {
    50: '#7ca667',
    500: '#428128',
    950: '#000000',
  },
}

SCSS

$custom: #428128;
$custom-light: #7ca667;
$custom-dark: #000000;

JSON

{
  "hex": "#428128",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 40
  },
  "hsl": {
    "h": 102.472,
    "s": 52.663,
    "l": 33.137
  },
  "oklch": {
    "l": 0.5416,
    "c": 0.13861,
    "h": 138
  },
  "luminance": 0.17012
}

Semantic roles & 50–950 ramp

primary

#428128

secondary

#9554B0

accent

#4CDCB2

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A0F06

muted

#7C7F7A

Preview Lab

Preview with #428128

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

Preview Lab → · Contrast checker → · Palette generator →