#428F2F#428F2F

#428F2F is a mid, vivid green. Relative luminance 0.210; OKLCH L 58.0% C 0.152 H 139.9°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#428F2F
RGB	rgb(66, 143, 47)
HSL	hsl(108, 51%, 37%)
HSV	hsv(108, 67%, 56%)
CMYK	cmyk(53.8%, 0%, 67.1%, 43.9%)
CIE-LAB	lab(52.96, -42.41, 42.45)
CIE-LCH	lch(52.96, 60.00, 134.97°)
OKLab	oklab(58.03% -0.1163 0.0979)
OKLCH	oklch(58.03% 0.152 139.9)
XYZ	xyz(12.5818, 21.0074, 6.0806)
Luminance	0.2101 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F2F #7C2F8F

analogous

#728F2F #428F2F #2F8F4C

triadic

#428F2F #2F428F #8F2F42

tetradic

#428F2F #2F728F #7C2F8F #8F4C2F

square

#428F2F #2F728F #7C2F8F #8F4C2F

split-complementary

#428F2F #4C2F8F #8F2F72

monochromatic

#173311 #2D6120 #428F2F #57BD3E #7ECE6A

Accessibility & contrast

On white

4.04

#428F2F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#428F2F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F2F

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F2F	#FFFFFF	#000000	##000000
##428F2F	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)

#938223

Deuteranopia (green-blind)

#897C37

Tritanopia (blue-blind)

#3A8A7B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428f2f;
/* rgb */ color: rgb(66, 143, 47);
/* oklch */ color: oklch(58.0% 0.152 139.9);

Tailwind

colors: {
  custom: {
    50: '#7eb06c',
    500: '#428f2f',
    950: '#000000',
  },
}

SCSS

$custom: #428f2f;
$custom-light: #7eb06c;
$custom-dark: #000000;

JSON

{
  "hex": "#428f2f",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 47
  },
  "hsl": {
    "h": 108.125,
    "s": 50.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.5803,
    "c": 0.15203,
    "h": 139.9
  },
  "luminance": 0.21008
}

Semantic roles & 50–950 ramp

primary

#428F2F

secondary

#A565B5

accent

#4EDABE

background

#F8FAF6

surface

#EFF5EC

border

#CACFC7

text

#0B1107

muted

#7C807A

Preview Lab

Preview with #428F2F

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

Preview Lab → · Contrast checker → · Palette generator →