#427B5B#427B5B

#427B5B is a mid, moderate green. Relative luminance 0.161; OKLCH L 53.4% C 0.079 H 157.7°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX#427B5B
RGBrgb(66, 123, 91)
HSLhsl(146, 30%, 37%)
HSVhsv(146, 46%, 48%)
CMYKcmyk(46.3%, 0%, 26%, 51.8%)
CIE-LABlab(47.08, -26.63, 11.79)
CIE-LCHlch(47.08, 29.12, 156.12°)
OKLaboklab(53.44% -0.0733 0.0301)
OKLCHoklch(53.44% 0.079 157.7)
XYZxyz(11.2172, 16.0787, 12.4079)
Luminance0.1608 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#427B5B #7B4262
analogous
#457B42 #427B5B #427B78
triadic
#427B5B #5B427B #7B5B42
tetradic
#427B5B #42457B #7B4262 #7B7842
square
#427B5B #42457B #7B4262 #7B7842
split-complementary
#427B5B #78427B #7B4245
monochromatic
#172B20 #2D533E #427B5B #57A378 #7EBA98

Accessibility & contrast

On white

4.98
#427B5B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.22
#427B5B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427B5B
4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##427B5B#FFFFFF#000000##FFFFFF
##427B5B1.004.984.224.98
#FFFFFF4.981.0021.001.00
#0000004.2221.001.0021.00
##FFFFFF4.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#7A7359
Deuteranopia (green-blind)
#716D5D
Tritanopia (blue-blind)
#347A72
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #427b5b;
/* rgb */ color: rgb(66, 123, 91);
/* oklch */ color: oklch(53.4% 0.079 157.7);
Tailwind
colors: {
  custom: {
    50: '#7aa189',
    500: '#427b5b',
    950: '#000000',
  },
}
SCSS
$custom: #427b5b;
$custom-light: #7aa189;
$custom-dark: #000000;
JSON
{
  "hex": "#427b5b",
  "rgb": {
    "r": 66,
    "g": 123,
    "b": 91
  },
  "hsl": {
    "h": 146.316,
    "s": 30.159,
    "l": 37.059
  },
  "oklch": {
    "l": 0.53435,
    "c": 0.07921,
    "h": 157.7
  },
  "luminance": 0.16079
}

Semantic roles & 50–950 ramp

primary
#427B5B
secondary
#A5748F
accent
#619AC6
background
#F7F9F8
surface
#EEF2F0
border
#C9CCCB
text
#090F0B
muted
#7B7E7C

Preview Lab

Preview with #427B5B

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

Preview Lab → · Contrast checker → · Palette generator →

#427B5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva