#428E13#428E13

#428E13 is a mid, vivid yellow-green. Relative luminance 0.206; OKLCH L 57.6% C 0.167 H 137.1°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX#428E13
RGBrgb(66, 142, 19)
HSLhsl(97, 76%, 32%)
HSVhsv(97, 87%, 56%)
CMYKcmyk(53.5%, 0%, 86.6%, 44.3%)
CIE-LABlab(52.45, -43.97, 51.83)
CIE-LCHlch(52.45, 67.97, 130.31°)
OKLaboklab(57.56% -0.1222 0.1136)
OKLCHoklch(57.56% 0.167 137.1)
XYZxyz(12.0369, 20.5504, 3.9483)
Luminance0.2055 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#428E13 #5F138E
analogous
#808E13 #428E13 #138E21
triadic
#428E13 #13428E #8E1342
tetradic
#428E13 #13808E #5F138E #8E2113
square
#428E13 #13808E #5F138E #8E2113
split-complementary
#428E13 #21138E #8E1380
monochromatic
#102205 #29580C #428E13 #5BC41A #79E437

Accessibility & contrast

On white

4.11
#428E13 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.11
#428E13 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428E13
5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##428E13#FFFFFF#000000##000000
##428E131.004.115.115.11
#FFFFFF4.111.0021.0021.00
#0000005.1121.001.001.00
##0000005.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#938100
Deuteranopia (green-blind)
#897B24
Tritanopia (blue-blind)
#3D8978
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #428e13;
/* rgb */ color: rgb(66, 142, 19);
/* oklch */ color: oklch(57.6% 0.167 137.1);
Tailwind
colors: {
  custom: {
    50: '#7fb05f',
    500: '#428e13',
    950: '#000000',
  },
}
SCSS
$custom: #428e13;
$custom-light: #7fb05f;
$custom-dark: #000000;
JSON
{
  "hex": "#428e13",
  "rgb": {
    "r": 66,
    "g": 142,
    "b": 19
  },
  "hsl": {
    "h": 97.073,
    "s": 76.398,
    "l": 31.569
  },
  "oklch": {
    "l": 0.57559,
    "c": 0.16685,
    "h": 137.1
  },
  "luminance": 0.20551
}

Semantic roles & 50–950 ramp

primary
#428E13
secondary
#8E3BC2
accent
#35F3AA
background
#F8FAF5
surface
#EFF5EA
border
#CACFC6
text
#0B1005
muted
#7C7F79

Preview Lab

Preview with #428E13

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

Preview Lab → · Contrast checker → · Palette generator →

#428E13 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva