#428F2D#428F2D

#428F2D is a mid, vivid green. Relative luminance 0.210; OKLCH L 58.0% C 0.154 H 139.6°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#428F2D
RGB	rgb(66, 143, 45)
HSL	hsl(107, 52%, 37%)
HSV	hsv(107, 69%, 56%)
CMYK	cmyk(53.8%, 0%, 68.5%, 43.9%)
CIE-LAB	lab(52.94, -42.60, 43.30)
CIE-LCH	lch(52.94, 60.74, 134.54°)
OKLab	oklab(58.01% -0.117 0.0994)
OKLCH	oklch(58.01% 0.154 139.6)
XYZ	xyz(12.5424, 20.9917, 5.8730)
Luminance	0.2099 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F2D #7A2D8F

analogous

#738F2D #428F2D #2D8F49

triadic

#428F2D #2D428F #8F2D42

tetradic

#428F2D #2D738F #7A2D8F #8F492D

square

#428F2D #2D738F #7A2D8F #8F492D

split-complementary

#428F2D #492D8F #8F2D73

monochromatic

#173210 #2D601E #428F2D #57BE3C #7DCF67

Accessibility & contrast

On white

4.04

#428F2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#428F2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F2D

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F2D	#FFFFFF	#000000	##000000
##428F2D	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938220

Deuteranopia (green-blind)

#897C36

Tritanopia (blue-blind)

#3A8A7B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428f2d;
/* rgb */ color: rgb(66, 143, 45);
/* oklch */ color: oklch(58.0% 0.154 139.6);

Tailwind

colors: {
  custom: {
    50: '#7eb06b',
    500: '#428f2d',
    950: '#000000',
  },
}

SCSS

$custom: #428f2d;
$custom-light: #7eb06b;
$custom-dark: #000000;

JSON

{
  "hex": "#428f2d",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 45
  },
  "hsl": {
    "h": 107.143,
    "s": 52.128,
    "l": 36.863
  },
  "oklch": {
    "l": 0.5801,
    "c": 0.15353,
    "h": 139.6
  },
  "luminance": 0.20993
}

Semantic roles & 50–950 ramp

primary

#428F2D

secondary

#A462B6

accent

#4CDCBD

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1107

muted

#7C807A

Preview Lab

Preview with #428F2D

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

Preview Lab → · Contrast checker → · Palette generator →