#428C16#428C16

#428C16 is a mid, vivid yellow-green. Relative luminance 0.200; OKLCH L 57.0% C 0.163 H 137.1°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#428C16
RGB	rgb(66, 140, 22)
HSL	hsl(98, 73%, 32%)
HSV	hsv(98, 84%, 55%)
CMYK	cmyk(52.9%, 0%, 84.3%, 45.1%)
CIE-LAB	lab(51.80, -43.05, 50.45)
CIE-LCH	lch(51.80, 66.32, 130.47°)
OKLab	oklab(57.03% -0.1196 0.1111)
OKLCH	oklch(57.03% 0.163 137.1)
XYZ	xyz(11.7693, 19.9715, 3.9936)
Luminance	0.1997 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C16 #60168C

analogous

#7D8C16 #428C16 #168C25

triadic

#428C16 #16428C #8C1642

tetradic

#428C16 #167D8C #60168C #8C2516

square

#428C16 #167D8C #60168C #8C2516

split-complementary

#428C16 #25168C #8C167D

monochromatic

#102205 #29570E #428C16 #5BC11E #79E03C

Accessibility & contrast

On white

4.20

#428C16 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#428C16 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C16

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C16	#FFFFFF	#000000	##000000
##428C16	1.00	4.20	4.99	4.99
#FFFFFF	4.20	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#917F00

Deuteranopia (green-blind)

#877925

Tritanopia (blue-blind)

#3D8777

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #428c16;
/* rgb */ color: rgb(66, 140, 22);
/* oklch */ color: oklch(57.0% 0.163 137.1);

Tailwind

colors: {
  custom: {
    50: '#7fae5f',
    500: '#428c16',
    950: '#000000',
  },
}

SCSS

$custom: #428c16;
$custom-light: #7fae5f;
$custom-dark: #000000;

JSON

{
  "hex": "#428c16",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 22
  },
  "hsl": {
    "h": 97.627,
    "s": 72.84,
    "l": 31.765
  },
  "oklch": {
    "l": 0.57028,
    "c": 0.16326,
    "h": 137.1
  },
  "luminance": 0.19972
}

Semantic roles & 50–950 ramp

primary

#428C16

secondary

#8F3EC0

accent

#38F0AB

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #428C16

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

Preview Lab → · Contrast checker → · Palette generator →