#428D4C#428D4C

#428D4C is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.9% C 0.123 H 146.5°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#428D4C
RGB	rgb(66, 141, 76)
HSL	hsl(128, 36%, 41%)
HSV	hsv(128, 53%, 55%)
CMYK	cmyk(53.2%, 0%, 46.1%, 44.7%)
CIE-LAB	lab(52.65, -37.80, 27.69)
CIE-LCH	lch(52.65, 46.85, 143.78°)
OKLab	oklab(57.89% -0.1025 0.0678)
OKLCH	oklch(57.89% 0.123 146.5)
XYZ	xyz(13.0754, 20.7287, 10.1481)
Luminance	0.2073 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D4C #8D4283

analogous

#5D8D42 #428D4C #428D71

triadic

#428D4C #4C428D #8D4C42

tetradic

#428D4C #425D8D #8D4283 #8D7142

square

#428D4C #425D8D #8D4283 #8D7142

split-complementary

#428D4C #71428D #8D425D

monochromatic

#1B3A1F #2E6336 #428D4C #5AB266 #84C58D

Accessibility & contrast

On white

4.08

#428D4C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#428D4C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D4C

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D4C	#FFFFFF	#000000	##000000
##428D4C	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8247

Deuteranopia (green-blind)

#857B50

Tritanopia (blue-blind)

#358A7D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428d4c;
/* rgb */ color: rgb(66, 141, 76);
/* oklch */ color: oklch(57.9% 0.123 146.5);

Tailwind

colors: {
  custom: {
    50: '#7caf7f',
    500: '#428d4c',
    950: '#000000',
  },
}

SCSS

$custom: #428d4c;
$custom-light: #7caf7f;
$custom-dark: #000000;

JSON

{
  "hex": "#428d4c",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 76
  },
  "hsl": {
    "h": 128,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.57891,
    "c": 0.12292,
    "h": 146.5
  },
  "luminance": 0.2073
}

Semantic roles & 50–950 ramp

primary

#428D4C

secondary

#B07BA9

accent

#5CBDCC

background

#F7FAF7

surface

#EEF4EE

border

#C9CEC9

text

#0A100A

muted

#7C7F7C

Preview Lab

Preview with #428D4C

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

Preview Lab → · Contrast checker → · Palette generator →