#428C55#428C55

#428C55 is a mid, moderate green. Relative luminance 0.206; OKLCH L 57.8% C 0.112 H 150.0°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX#428C55
RGBrgb(66, 140, 85)
HSLhsl(135, 36%, 40%)
HSVhsv(135, 53%, 55%)
CMYKcmyk(52.9%, 0%, 39.3%, 45.1%)
CIE-LABlab(52.47, -35.80, 22.53)
CIE-LCHlch(52.47, 42.31, 147.81°)
OKLaboklab(57.79% -0.0972 0.0561)
OKLCHoklch(57.79% 0.112 150)
XYZxyz(13.2637, 20.5692, 11.8639)
Luminance0.2057 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#428C55 #8C4279
analogous
#548C42 #428C55 #428C7A
triadic
#428C55 #55428C #8C5542
tetradic
#428C55 #42548C #8C4279 #8C7A42
square
#428C55 #42548C #8C4279 #8C7A42
split-complementary
#428C55 #7A428C #8C4254
monochromatic
#1B3922 #2E623C #428C55 #5AB170 #84C594

Accessibility & contrast

On white

4.11
#428C55 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.11
#428C55 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C55
5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##428C55#FFFFFF#000000##000000
##428C551.004.115.115.11
#FFFFFF4.111.0021.0021.00
#0000005.1121.001.001.00
##0000005.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D8251
Deuteranopia (green-blind)
#827A58
Tritanopia (blue-blind)
#328A7E
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #428c55;
/* rgb */ color: rgb(66, 140, 85);
/* oklch */ color: oklch(57.8% 0.112 150.0);
Tailwind
colors: {
  custom: {
    50: '#7cae85',
    500: '#428c55',
    950: '#000000',
  },
}
SCSS
$custom: #428c55;
$custom-light: #7cae85;
$custom-dark: #000000;
JSON
{
  "hex": "#428c55",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 85
  },
  "hsl": {
    "h": 135.405,
    "s": 35.922,
    "l": 40.392
  },
  "oklch": {
    "l": 0.57795,
    "c": 0.11222,
    "h": 150
  },
  "luminance": 0.2057
}

Semantic roles & 50–950 ramp

primary
#428C55
secondary
#B07AA2
accent
#5CAFCC
background
#F7FAF8
surface
#EEF4EF
border
#C9CECA
text
#0A100B
muted
#7C7F7C

Preview Lab

Preview with #428C55

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

Preview Lab → · Contrast checker → · Palette generator →

#428C55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva