#428F2E#428F2E

#428F2E is a mid, vivid green. Relative luminance 0.210; OKLCH L 58.0% C 0.153 H 139.8°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#428F2E
RGB	rgb(66, 143, 46)
HSL	hsl(108, 51%, 37%)
HSV	hsv(108, 68%, 56%)
CMYK	cmyk(53.8%, 0%, 67.8%, 43.9%)
CIE-LAB	lab(52.95, -42.51, 42.87)
CIE-LCH	lch(52.95, 60.37, 134.75°)
OKLab	oklab(58.02% -0.1167 0.0987)
OKLCH	oklch(58.02% 0.153 139.8)
XYZ	xyz(12.5618, 20.9994, 5.9756)
Luminance	0.2100 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F2E #7B2E8F

analogous

#738F2E #428F2E #2E8F4B

triadic

#428F2E #2E428F #8F2E42

tetradic

#428F2E #2E738F #7B2E8F #8F4B2E

square

#428F2E #2E738F #7B2E8F #8F4B2E

split-complementary

#428F2E #4B2E8F #8F2E73

monochromatic

#173210 #2D611F #428F2E #57BD3D #7ECF69

Accessibility & contrast

On white

4.04

#428F2E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#428F2E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F2E

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F2E	#FFFFFF	#000000	##000000
##428F2E	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)

#938221

Deuteranopia (green-blind)

#897C37

Tritanopia (blue-blind)

#3A8A7B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428f2e;
/* rgb */ color: rgb(66, 143, 46);
/* oklch */ color: oklch(58.0% 0.153 139.8);

Tailwind

colors: {
  custom: {
    50: '#7eb06c',
    500: '#428f2e',
    950: '#000000',
  },
}

SCSS

$custom: #428f2e;
$custom-light: #7eb06c;
$custom-dark: #000000;

JSON

{
  "hex": "#428f2e",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 46
  },
  "hsl": {
    "h": 107.629,
    "s": 51.323,
    "l": 37.059
  },
  "oklch": {
    "l": 0.5802,
    "c": 0.15279,
    "h": 139.8
  },
  "luminance": 0.21
}

Semantic roles & 50–950 ramp

primary

#428F2E

secondary

#A563B6

accent

#4DDBBE

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1107

muted

#7C807A

Preview Lab

Preview with #428F2E

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

Preview Lab → · Contrast checker → · Palette generator →