#428C16#428C16

#428C16 is a mid, vivid yellow-green. Relative luminance 0.200; OKLCH L 57.0% C 0.163 H 137.1°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX#428C16
RGBrgb(66, 140, 22)
HSLhsl(98, 73%, 32%)
HSVhsv(98, 84%, 55%)
CMYKcmyk(52.9%, 0%, 84.3%, 45.1%)
CIE-LABlab(51.80, -43.05, 50.45)
CIE-LCHlch(51.80, 66.32, 130.47°)
OKLaboklab(57.03% -0.1196 0.1111)
OKLCHoklch(57.03% 0.163 137.1)
XYZxyz(11.7693, 19.9715, 3.9936)
Luminance0.1997 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#428C16 #60168C
analogous
#7D8C16 #428C16 #168C25
triadic
#428C16 #16428C #8C1642
tetradic
#428C16 #167D8C #60168C #8C2516
square
#428C16 #167D8C #60168C #8C2516
split-complementary
#428C16 #25168C #8C167D
monochromatic
#102205 #29570E #428C16 #5BC11E #79E03C

Accessibility & contrast

On white

4.20
#428C16 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.99
#428C16 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C16
4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##428C16#FFFFFF#000000##000000
##428C161.004.204.994.99
#FFFFFF4.201.0021.0021.00
#0000004.9921.001.001.00
##0000004.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#917F00
Deuteranopia (green-blind)
#877925
Tritanopia (blue-blind)
#3D8777
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #428c16;
/* rgb */ color: rgb(66, 140, 22);
/* oklch */ color: oklch(57.0% 0.163 137.1);
Tailwind
colors: {
  custom: {
    50: '#7fae5f',
    500: '#428c16',
    950: '#000000',
  },
}
SCSS
$custom: #428c16;
$custom-light: #7fae5f;
$custom-dark: #000000;
JSON
{
  "hex": "#428c16",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 22
  },
  "hsl": {
    "h": 97.627,
    "s": 72.84,
    "l": 31.765
  },
  "oklch": {
    "l": 0.57028,
    "c": 0.16326,
    "h": 137.1
  },
  "luminance": 0.19972
}

Semantic roles & 50–950 ramp

primary
#428C16
secondary
#8F3EC0
accent
#38F0AB
background
#F8FAF5
surface
#EFF4EA
border
#CACEC6
text
#0B1005
muted
#7C7F79

Preview Lab

Preview with #428C16

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

Preview Lab → · Contrast checker → · Palette generator →

#428C16 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva