#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
RGB	rgb(66, 142, 19)
HSL	hsl(97, 76%, 32%)
HSV	hsv(97, 87%, 56%)
CMYK	cmyk(53.5%, 0%, 86.6%, 44.3%)
CIE-LAB	lab(52.45, -43.97, 51.83)
CIE-LCH	lch(52.45, 67.97, 130.31°)
OKLab	oklab(57.56% -0.1222 0.1136)
OKLCH	oklch(57.56% 0.167 137.1)
XYZ	xyz(12.0369, 20.5504, 3.9483)
Luminance	0.2055 (WCAG relative)
Temperature	warm
Family	yellow-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
##428E13	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

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 →