#428A13#428A13

#428A13 is a mid, vivid yellow-green. Relative luminance 0.194; OKLCH L 56.5% C 0.162 H 136.7°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#428A13
RGB	rgb(66, 138, 19)
HSL	hsl(96, 76%, 31%)
HSV	hsv(96, 86%, 54%)
CMYK	cmyk(52.2%, 0%, 86.2%, 45.9%)
CIE-LAB	lab(51.13, -42.40, 50.65)
CIE-LCH	lch(51.13, 66.05, 129.93°)
OKLab	oklab(56.47% -0.118 0.1111)
OKLCH	oklch(56.47% 0.162 136.7)
XYZ	xyz(11.4524, 19.3814, 3.7535)
Luminance	0.1938 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428A13 #5B138A

analogous

#7D8A13 #428A13 #138A20

triadic

#428A13 #13428A #8A1342

tetradic

#428A13 #137D8A #5B138A #8A2013

square

#428A13 #137D8A #5B138A #8A2013

split-complementary

#428A13 #20138A #8A137D

monochromatic

#0F1E04 #28540C #428A13 #5CC01A #79E334

Accessibility & contrast

On white

4.31

#428A13 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#428A13 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428A13

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428A13	#FFFFFF	#000000	##000000
##428A13	1.00	4.31	4.88	4.88
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7D00

Deuteranopia (green-blind)

#867823

Tritanopia (blue-blind)

#3E8575

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #428a13;
/* rgb */ color: rgb(66, 138, 19);
/* oklch */ color: oklch(56.5% 0.162 136.7);

Tailwind

colors: {
  custom: {
    50: '#7fad5e',
    500: '#428a13',
    950: '#000000',
  },
}

SCSS

$custom: #428a13;
$custom-light: #7fad5e;
$custom-dark: #000000;

JSON

{
  "hex": "#428a13",
  "rgb": {
    "r": 66,
    "g": 138,
    "b": 19
  },
  "hsl": {
    "h": 96.303,
    "s": 75.796,
    "l": 30.784
  },
  "oklch": {
    "l": 0.56468,
    "c": 0.16209,
    "h": 136.7
  },
  "luminance": 0.19382
}

Semantic roles & 50–950 ramp

primary

#428A13

secondary

#8A3ABE

accent

#35F2A8

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #428A13

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

Preview Lab → · Contrast checker → · Palette generator →