#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
RGBrgb(66, 141, 76)
HSLhsl(128, 36%, 41%)
HSVhsv(128, 53%, 55%)
CMYKcmyk(53.2%, 0%, 46.1%, 44.7%)
CIE-LABlab(52.65, -37.80, 27.69)
CIE-LCHlch(52.65, 46.85, 143.78°)
OKLaboklab(57.89% -0.1025 0.0678)
OKLCHoklch(57.89% 0.123 146.5)
XYZxyz(13.0754, 20.7287, 10.1481)
Luminance0.2073 (WCAG relative)
Temperatureneutral
Familygreen

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
##428D4C1.004.085.155.15
#FFFFFF4.081.0021.0021.00
#0000005.1521.001.001.00
##0000005.1521.001.001.00

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 →

#428D4C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva