#428137#428137

#428137 is a mid, vivid green. Relative luminance 0.171; OKLCH L 54.3% C 0.126 H 140.8°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#428137
RGB	rgb(66, 129, 55)
HSL	hsl(111, 40%, 36%)
HSV	hsv(111, 57%, 51%)
CMYK	cmyk(48.8%, 0%, 57.4%, 49.4%)
CIE-LAB	lab(48.43, -35.63, 33.51)
CIE-LCH	lch(48.43, 48.92, 136.76°)
OKLab	oklab(54.34% -0.0974 0.0796)
OKLCH	oklch(54.34% 0.126 140.8)
XYZ	xyz(10.7862, 17.1339, 6.3525)
Luminance	0.1714 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428137 #763781

analogous

#678137 #428137 #378151

triadic

#428137 #374281 #813742

tetradic

#428137 #376781 #763781 #815137

square

#428137 #376781 #763781 #815137

split-complementary

#428137 #513781 #813767

monochromatic

#162B12 #2C5625 #428137 #58AC49 #7CC270

Accessibility & contrast

On white

4.74

#428137 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#428137 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #428137

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428137	#FFFFFF	#000000	##FFFFFF
##428137	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847630

Deuteranopia (green-blind)

#7C713C

Tritanopia (blue-blind)

#3C7D71

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #428137;
/* rgb */ color: rgb(66, 129, 55);
/* oklch */ color: oklch(54.3% 0.126 140.8);

Tailwind

colors: {
  custom: {
    50: '#7ba670',
    500: '#428137',
    950: '#000000',
  },
}

SCSS

$custom: #428137;
$custom-light: #7ba670;
$custom-dark: #000000;

JSON

{
  "hex": "#428137",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 55
  },
  "hsl": {
    "h": 111.081,
    "s": 40.217,
    "l": 36.078
  },
  "oklch": {
    "l": 0.54336,
    "c": 0.12579,
    "h": 140.8
  },
  "luminance": 0.17135
}

Semantic roles & 50–950 ramp

primary

#428137

secondary

#A169AB

accent

#58D0BE

background

#F7FAF6

surface

#EEF4EC

border

#C9CEC7

text

#0A0F07

muted

#7C7F7A

Preview Lab

Preview with #428137

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

Preview Lab → · Contrast checker → · Palette generator →