#428B19#428B19

#428B19 is a mid, vivid yellow-green. Relative luminance 0.197; OKLCH L 56.8% C 0.161 H 137.2°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX#428B19
RGBrgb(66, 139, 25)
HSLhsl(98, 70%, 32%)
HSVhsv(98, 82%, 55%)
CMYKcmyk(52.5%, 0%, 82%, 45.5%)
CIE-LABlab(51.49, -42.49, 49.29)
CIE-LCHlch(51.49, 65.08, 130.77°)
OKLaboklab(56.77% -0.118 0.1091)
OKLCHoklch(56.77% 0.161 137.2)
XYZxyz(11.6545, 19.6928, 4.1065)
Luminance0.1969 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#428B19 #62198B
analogous
#7B8B19 #428B19 #198B29
triadic
#428B19 #19428B #8B1942
tetradic
#428B19 #197B8B #62198B #8B2919
square
#428B19 #197B8B #62198B #8B2919
split-complementary
#428B19 #29198B #8B197B
monochromatic
#112306 #295710 #428B19 #5BBF22 #79DD41

Accessibility & contrast

On white

4.25
#428B19 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.94
#428B19 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428B19
4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##428B19#FFFFFF#000000##000000
##428B191.004.254.944.94
#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)
#867827
Tritanopia (blue-blind)
#3D8676
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #428b19;
/* rgb */ color: rgb(66, 139, 25);
/* oklch */ color: oklch(56.8% 0.161 137.2);
Tailwind
colors: {
  custom: {
    50: '#7ead60',
    500: '#428b19',
    950: '#000000',
  },
}
SCSS
$custom: #428b19;
$custom-light: #7ead60;
$custom-dark: #000000;
JSON
{
  "hex": "#428b19",
  "rgb": {
    "r": 66,
    "g": 139,
    "b": 25
  },
  "hsl": {
    "h": 98.421,
    "s": 69.512,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56772,
    "c": 0.1607,
    "h": 137.2
  },
  "luminance": 0.19694
}

Semantic roles & 50–950 ramp

primary
#428B19
secondary
#9142BE
accent
#3BECAD
background
#F8FAF6
surface
#EFF4EB
border
#CACEC6
text
#0B1005
muted
#7C7F7A

Preview Lab

Preview with #428B19

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

Preview Lab → · Contrast checker → · Palette generator →

#428B19 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva