#428B14#428B14

#428B14 is a mid, vivid yellow-green. Relative luminance 0.197; OKLCH L 56.7% C 0.163 H 136.9°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX#428B14
RGBrgb(66, 139, 20)
HSLhsl(97, 75%, 31%)
HSVhsv(97, 86%, 55%)
CMYKcmyk(52.5%, 0%, 85.6%, 45.5%)
CIE-LABlab(51.47, -42.75, 50.69)
CIE-LCHlch(51.47, 66.31, 130.14°)
OKLaboklab(56.75% -0.1189 0.1113)
OKLCHoklch(56.75% 0.163 136.9)
XYZxyz(11.6053, 19.6731, 3.8474)
Luminance0.1967 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#428B14 #5D148B
analogous
#7D8B14 #428B14 #148B21
triadic
#428B14 #14428B #8B1442
tetradic
#428B14 #147D8B #5D148B #8B2114
square
#428B14 #147D8B #5D148B #8B2114
split-complementary
#428B14 #21148B #8B147D
monochromatic
#0F2005 #29550C #428B14 #5BC11C #79E237

Accessibility & contrast

On white

4.26
#428B14 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.93
#428B14 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B14
4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##428B14#FFFFFF#000000##000000
##428B141.004.264.934.93
#FFFFFF4.261.0021.0021.00
#0000004.9321.001.001.00
##0000004.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#907E00
Deuteranopia (green-blind)
#877823
Tritanopia (blue-blind)
#3D8676
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #428b14;
/* rgb */ color: rgb(66, 139, 20);
/* oklch */ color: oklch(56.7% 0.163 136.9);
Tailwind
colors: {
  custom: {
    50: '#7fad5f',
    500: '#428b14',
    950: '#000000',
  },
}
SCSS
$custom: #428b14;
$custom-light: #7fad5f;
$custom-dark: #000000;
JSON
{
  "hex": "#428b14",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 20
  },
  "hsl": {
    "h": 96.807,
    "s": 74.843,
    "l": 31.176
  },
  "oklch": {
    "l": 0.56746,
    "c": 0.16289,
    "h": 136.9
  },
  "luminance": 0.19674
}

Semantic roles & 50–950 ramp

primary
#428B14
secondary
#8C3CBF
accent
#36F1A9
background
#F8FAF5
surface
#EFF4EA
border
#CACEC6
text
#0B1005
muted
#7C7F79

Preview Lab

Preview with #428B14

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

Preview Lab → · Contrast checker → · Palette generator →

#428B14 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva