#428A37#428A37

#428A37 is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.8% C 0.139 H 141.1°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX#428A37
RGBrgb(66, 138, 55)
HSLhsl(112, 43%, 38%)
HSVhsv(112, 60%, 54%)
CMYKcmyk(52.2%, 0%, 60.1%, 45.9%)
CIE-LABlab(51.39, -39.49, 36.98)
CIE-LCHlch(51.39, 54.10, 136.88°)
OKLaboklab(56.77% -0.1079 0.0871)
OKLCHoklch(56.77% 0.139 141.1)
XYZxyz(12.0243, 19.6101, 6.7652)
Luminance0.1961 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#428A37 #7F378A
analogous
#6B8A37 #428A37 #378A55
triadic
#428A37 #37428A #8A3742
tetradic
#428A37 #376B8A #7F378A #8A5537
square
#428A37 #376B8A #7F378A #8A5537
split-complementary
#428A37 #55378A #8A376B
monochromatic
#183214 #2D5E26 #428A37 #57B648 #7FC874

Accessibility & contrast

On white

4.27
#428A37 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.92
#428A37 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428A37
4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##428A37#FFFFFF#000000##000000
##428A371.004.274.924.92
#FFFFFF4.271.0021.0021.00
#0000004.9221.001.001.00
##0000004.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D7E2E
Deuteranopia (green-blind)
#84783D
Tritanopia (blue-blind)
#3A8678
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #428a37;
/* rgb */ color: rgb(66, 138, 55);
/* oklch */ color: oklch(56.8% 0.139 141.1);
Tailwind
colors: {
  custom: {
    50: '#7dad71',
    500: '#428a37',
    950: '#000000',
  },
}
SCSS
$custom: #428a37;
$custom-light: #7dad71;
$custom-dark: #000000;
JSON
{
  "hex": "#428a37",
  "rgb": {
    "r": 66,
    "g": 138,
    "b": 55
  },
  "hsl": {
    "h": 112.048,
    "s": 43.005,
    "l": 37.843
  },
  "oklch": {
    "l": 0.56769,
    "c": 0.13866,
    "h": 141.1
  },
  "luminance": 0.19611
}

Semantic roles & 50–950 ramp

primary
#428A37
secondary
#A76DB0
accent
#55D3C2
background
#F7FAF6
surface
#EEF4EC
border
#C9CEC7
text
#0A1008
muted
#7C7F7B

Preview Lab

Preview with #428A37

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

Preview Lab → · Contrast checker → · Palette generator →

#428A37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva