#428F3D#428F3D

#428F3D is a mid, vivid green. Relative luminance 0.211; OKLCH L 58.2% C 0.140 H 142.4°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#428F3D
RGB	rgb(66, 143, 61)
HSL	hsl(116, 40%, 40%)
HSV	hsv(116, 57%, 56%)
CMYK	cmyk(53.8%, 0%, 57.3%, 43.9%)
CIE-LAB	lab(53.10, -40.83, 36.03)
CIE-LCH	lch(53.10, 54.45, 138.57°)
OKLab	oklab(58.19% -0.1112 0.0855)
OKLCH	oklch(58.19% 0.14 142.4)
XYZ	xyz(12.9109, 21.1391, 7.8139)
Luminance	0.2114 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F3D #8A3D8F

analogous

#6B8F3D #428F3D #3D8F61

triadic

#428F3D #3D428F #8F3D42

tetradic

#428F3D #3D6B8F #8A3D8F #8F613D

square

#428F3D #3D6B8F #8A3D8F #8F613D

split-complementary

#428F3D #613D8F #8F3D6B

monochromatic

#1A3918 #2E642B #428F3D #59B653 #83C87E

Accessibility & contrast

On white

4.02

#428F3D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#428F3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F3D

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F3D	#FFFFFF	#000000	##000000
##428F3D	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928335

Deuteranopia (green-blind)

#887C43

Tritanopia (blue-blind)

#388B7D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #428f3d;
/* rgb */ color: rgb(66, 143, 61);
/* oklch */ color: oklch(58.2% 0.140 142.4);

Tailwind

colors: {
  custom: {
    50: '#7db075',
    500: '#428f3d',
    950: '#000000',
  },
}

SCSS

$custom: #428f3d;
$custom-light: #7db075;
$custom-dark: #000000;

JSON

{
  "hex": "#428f3d",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 61
  },
  "hsl": {
    "h": 116.341,
    "s": 40.196,
    "l": 40
  },
  "oklch": {
    "l": 0.58194,
    "c": 0.1403,
    "h": 142.4
  },
  "luminance": 0.2114
}

Semantic roles & 50–950 ramp

primary

#428F3D

secondary

#AE76B2

accent

#58D0C9

background

#F8FAF7

surface

#EFF5ED

border

#CACFC8

text

#0A1108

muted

#7C807B

Preview Lab

Preview with #428F3D

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

Preview Lab → · Contrast checker → · Palette generator →