#428B16#428B16

#428B16 is a mid, vivid yellow-green. Relative luminance 0.197; OKLCH L 56.8% C 0.162 H 137.0°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX#428B16
RGBrgb(66, 139, 22)
HSLhsl(97, 73%, 32%)
HSVhsv(97, 84%, 55%)
CMYKcmyk(52.5%, 0%, 84.2%, 45.5%)
CIE-LABlab(51.47, -42.65, 50.15)
CIE-LCHlch(51.47, 65.84, 130.38°)
OKLaboklab(56.76% -0.1186 0.1105)
OKLCHoklch(56.76% 0.162 137)
XYZxyz(11.6238, 19.6806, 3.9451)
Luminance0.1968 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#428B16 #5F168B
analogous
#7D8B16 #428B16 #168B25
triadic
#428B16 #16428B #8B1642
tetradic
#428B16 #167D8B #5F168B #8B2516
square
#428B16 #167D8B #5F168B #8B2516
split-complementary
#428B16 #25168B #8B167D
monochromatic
#102105 #29560E #428B16 #5BC01E #79E03B

Accessibility & contrast

On white

4.25
#428B16 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.94
#428B16 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B16
4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##428B16#FFFFFF#000000##000000
##428B161.004.254.944.94
#FFFFFF4.251.0021.0021.00
#0000004.9421.001.001.00
##0000004.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#907E00
Deuteranopia (green-blind)
#877825
Tritanopia (blue-blind)
#3D8676
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #428b16;
/* rgb */ color: rgb(66, 139, 22);
/* oklch */ color: oklch(56.8% 0.162 137.0);
Tailwind
colors: {
  custom: {
    50: '#7fad5f',
    500: '#428b16',
    950: '#000000',
  },
}
SCSS
$custom: #428b16;
$custom-light: #7fad5f;
$custom-dark: #000000;
JSON
{
  "hex": "#428b16",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 22
  },
  "hsl": {
    "h": 97.436,
    "s": 72.671,
    "l": 31.569
  },
  "oklch": {
    "l": 0.56756,
    "c": 0.16206,
    "h": 137
  },
  "luminance": 0.19681
}

Semantic roles & 50–950 ramp

primary
#428B16
secondary
#8E3EBF
accent
#38EFAB
background
#F8FAF5
surface
#EFF4EA
border
#CACEC6
text
#0B1005
muted
#7C7F79

Preview Lab

Preview with #428B16

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

Preview Lab → · Contrast checker → · Palette generator →

#428B16 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva