#428D4D#428D4D

#428D4D is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.9% C 0.122 H 146.9°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX#428D4D
RGBrgb(66, 141, 77)
HSLhsl(129, 36%, 41%)
HSVhsv(129, 53%, 55%)
CMYKcmyk(53.2%, 0%, 45.4%, 44.7%)
CIE-LABlab(52.67, -37.64, 27.17)
CIE-LCHlch(52.67, 46.42, 144.18°)
OKLaboklab(57.91% -0.1021 0.0667)
OKLCHoklch(57.91% 0.122 146.9)
XYZxyz(13.1104, 20.7428, 10.3326)
Luminance0.2074 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#428D4D #8D4282
analogous
#5C8D42 #428D4D #428D72
triadic
#428D4D #4D428D #8D4D42
tetradic
#428D4D #425C8D #8D4282 #8D7242
square
#428D4D #425C8D #8D4282 #8D7242
split-complementary
#428D4D #72428D #8D425C
monochromatic
#1B3A1F #2E6336 #428D4D #5AB267 #84C58E

Accessibility & contrast

On white

4.08
#428D4D on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.15
#428D4D on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D4D
5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##428D4D#FFFFFF#000000##000000
##428D4D1.004.085.155.15
#FFFFFF4.081.0021.0021.00
#0000005.1521.001.001.00
##0000005.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8F8248
Deuteranopia (green-blind)
#847B51
Tritanopia (blue-blind)
#348A7E
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #428d4d;
/* rgb */ color: rgb(66, 141, 77);
/* oklch */ color: oklch(57.9% 0.122 146.9);
Tailwind
colors: {
  custom: {
    50: '#7caf80',
    500: '#428d4d',
    950: '#000000',
  },
}
SCSS
$custom: #428d4d;
$custom-light: #7caf80;
$custom-dark: #000000;
JSON
{
  "hex": "#428d4d",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 77
  },
  "hsl": {
    "h": 128.8,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.57909,
    "c": 0.12191,
    "h": 146.9
  },
  "luminance": 0.20744
}

Semantic roles & 50–950 ramp

primary
#428D4D
secondary
#B07BA8
accent
#5CBCCC
background
#F7FAF7
surface
#EEF4EE
border
#C9CEC9
text
#0A100A
muted
#7C7F7C

Preview Lab

Preview with #428D4D

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

Preview Lab → · Contrast checker → · Palette generator →

#428D4D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva