#428E2D#428E2D

#428E2D is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.7% C 0.152 H 139.6°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#428E2D
RGB	rgb(66, 142, 45)
HSL	hsl(107, 52%, 37%)
HSV	hsv(107, 68%, 56%)
CMYK	cmyk(53.5%, 0%, 68.3%, 44.3%)
CIE-LAB	lab(52.61, -42.20, 42.94)
CIE-LCH	lch(52.61, 60.21, 134.50°)
OKLab	oklab(57.74% -0.1159 0.0987)
OKLCH	oklch(57.74% 0.152 139.6)
XYZ	xyz(12.3929, 20.6928, 5.8232)
Luminance	0.2069 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428E2D #792D8E

analogous

#738E2D #428E2D #2D8E49

triadic

#428E2D #2D428E #8E2D42

tetradic

#428E2D #2D738E #792D8E #8E492D

square

#428E2D #2D738E #792D8E #8E492D

split-complementary

#428E2D #492D8E #8E2D73

monochromatic

#173110 #2C601E #428E2D #58BC3C #7DCF67

Accessibility & contrast

On white

4.09

#428E2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#428E2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E2D

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428E2D	#FFFFFF	#000000	##000000
##428E2D	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928220

Deuteranopia (green-blind)

#887B36

Tritanopia (blue-blind)

#3A897A

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428e2d;
/* rgb */ color: rgb(66, 142, 45);
/* oklch */ color: oklch(57.7% 0.152 139.6);

Tailwind

colors: {
  custom: {
    50: '#7eb06b',
    500: '#428e2d',
    950: '#000000',
  },
}

SCSS

$custom: #428e2d;
$custom-light: #7eb06b;
$custom-dark: #000000;

JSON

{
  "hex": "#428e2d",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 45
  },
  "hsl": {
    "h": 107.01,
    "s": 51.872,
    "l": 36.667
  },
  "oklch": {
    "l": 0.57739,
    "c": 0.15221,
    "h": 139.6
  },
  "luminance": 0.20694
}

Semantic roles & 50–950 ramp

primary

#428E2D

secondary

#A361B5

accent

#4CDBBC

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0A1007

muted

#7C7F7A

Preview Lab

Preview with #428E2D

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

Preview Lab → · Contrast checker → · Palette generator →