grayscale2.svg

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg version="1.1"  xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
	 width="36px" height="36px" viewBox="0 0 36 36" enable-background="new 0 0 36 36" xml:space="preserve">

	<rect x="4.313" y="3.761" width="7" height="28.479"/>
	<rect x="14.688" y="3.761" fill="#575756" width="7" height="28.479"/>
	<rect x="24.688" y="3.761" fill="#B2B2B2" width="7" height="28.479"/>

</svg>