#428F5F#428F5F

#428F5F is a mid, moderate green. Relative luminance 0.216; OKLCH L 58.8% C 0.107 H 154.1°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#428F5F
RGB	rgb(66, 143, 95)
HSL	hsl(143, 37%, 41%)
HSV	hsv(143, 54%, 56%)
CMYK	cmyk(53.8%, 0%, 33.6%, 43.9%)
CIE-LAB	lab(53.63, -35.23, 18.50)
CIE-LCH	lch(53.63, 39.80, 152.30°)
OKLab	oklab(58.8% -0.0959 0.0466)
OKLCH	oklch(58.8% 0.107 154.1)
XYZ	xyz(14.1337, 21.6282, 14.2541)
Luminance	0.2163 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F5F #8F4272

analogous

#4B8F42 #428F5F #428F85

triadic

#428F5F #5F428F #8F5F42

tetradic

#428F5F #424B8F #8F4272 #8F8542

square

#428F5F #424B8F #8F4272 #8F8542

split-complementary

#428F5F #85428F #8F424B

monochromatic

#1B3B27 #2F6543 #428F5F #5BB37C #85C79E

Accessibility & contrast

On white

3.94

#428F5F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#428F5F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F5F

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F5F	#FFFFFF	#000000	##000000
##428F5F	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F855C

Deuteranopia (green-blind)

#847D62

Tritanopia (blue-blind)

#2E8D82

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #428f5f;
/* rgb */ color: rgb(66, 143, 95);
/* oklch */ color: oklch(58.8% 0.107 154.1);

Tailwind

colors: {
  custom: {
    50: '#7cb08c',
    500: '#428f5f',
    950: '#000000',
  },
}

SCSS

$custom: #428f5f;
$custom-light: #7cb08c;
$custom-dark: #000000;

JSON

{
  "hex": "#428f5f",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 95
  },
  "hsl": {
    "h": 142.597,
    "s": 36.842,
    "l": 40.98
  },
  "oklch": {
    "l": 0.588,
    "c": 0.10667,
    "h": 154.1
  },
  "luminance": 0.21629
}

Semantic roles & 50–950 ramp

primary

#428F5F

secondary

#B17B9D

accent

#5BA2CD

background

#F7FAF8

surface

#EEF5F0

border

#C9CFCB

text

#0A100C

muted

#7C7F7D

Preview Lab

Preview with #428F5F

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

Preview Lab → · Contrast checker → · Palette generator →