#428F55#428F55

#428F55 is a mid, moderate green. Relative luminance 0.215; OKLCH L 58.6% C 0.117 H 149.6°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX#428F55
RGBrgb(66, 143, 85)
HSLhsl(135, 37%, 41%)
HSVhsv(135, 54%, 56%)
CMYKcmyk(53.8%, 0%, 40.6%, 43.9%)
CIE-LABlab(53.45, -37.13, 23.82)
CIE-LCHlch(53.45, 44.11, 147.32°)
OKLaboklab(58.59% -0.1007 0.0591)
OKLCHoklch(58.59% 0.117 149.6)
XYZxyz(13.7080, 21.4579, 12.0120)
Luminance0.2146 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#428F55 #8F427C
analogous
#558F42 #428F55 #428F7B
triadic
#428F55 #55428F #8F5542
tetradic
#428F55 #42558F #8F427C #8F7B42
square
#428F55 #42558F #8F427C #8F7B42
split-complementary
#428F55 #7B428F #8F4255
monochromatic
#1B3B23 #2F653C #428F55 #5BB371 #85C795

Accessibility & contrast

On white

3.97
#428F55 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.29
#428F55 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F55
5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##428F55#FFFFFF#000000##000000
##428F551.003.975.295.29
#FFFFFF3.971.0021.0021.00
#0000005.2921.001.001.00
##0000005.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#908451
Deuteranopia (green-blind)
#857D59
Tritanopia (blue-blind)
#318D81
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #428f55;
/* rgb */ color: rgb(66, 143, 85);
/* oklch */ color: oklch(58.6% 0.117 149.6);
Tailwind
colors: {
  custom: {
    50: '#7db085',
    500: '#428f55',
    950: '#000000',
  },
}
SCSS
$custom: #428f55;
$custom-light: #7db085;
$custom-dark: #000000;
JSON
{
  "hex": "#428f55",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 85
  },
  "hsl": {
    "h": 134.805,
    "s": 36.842,
    "l": 40.98
  },
  "oklch": {
    "l": 0.58591,
    "c": 0.11678,
    "h": 149.6
  },
  "luminance": 0.21459
}

Semantic roles & 50–950 ramp

primary
#428F55
secondary
#B17BA4
accent
#5BB1CD
background
#F7FAF8
surface
#EEF5EF
border
#C9CFCA
text
#0A100B
muted
#7C7F7C

Preview Lab

Preview with #428F55

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

Preview Lab → · Contrast checker → · Palette generator →

#428F55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva