Здесь представлено несколько примеров создания градиентов, в том числе и анимированных (подробнее об анимации).
<?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 xmlns="http://www.w3.org/2000/svg" width="200" height="400" xmlns:xlink="http://www.w3.org/1999/xlink" > <title>Градиенты</title> <defs> <radialGradient id="MyGradient1" fx="20%" fy="25%" > <stop offset="0" stop-color="#f0ffff"/> <stop offset="100%" stop-color="#00a0a0"> <animate attributeName="offset" from="0%" to="100%" dur="10s" repeatCount="indefinite"/> </stop> </radialGradient> <radialGradient id="MyGradient2" fx="25%" fy="50%" > <stop offset="0" stop-color="#ffffff"/> <stop offset="100%" stop-color="#ff00ff"> <animate attributeName="offset" from="0%" to="100%" dur="5s" repeatCount="indefinite"/> </stop> </radialGradient> <linearGradient id="MyGradient3" x1="0%" y1="0%" x2="100%" y2="0%"> <stop offset="0" style="stop-color:#ffffff"/> <stop offset="100%" style="stop-color:#008000"> <animate attributeName="offset" from="0%" to="100%" dur="3s" repeatCount="indefinite"/> </stop> </linearGradient> </defs> <circle cx="60" cy="60" r="50" fill="url(#MyGradient1)" fill-opacity="0.5"/> <circle cx="100" cy="100" r="35" fill="url(#MyGradient2)" fill-opacity="0.5"/> <rect x="10" y="150" width="200" height="60" fill="url(#MyGradient3)" /> </svg>Еще пример >...