Sample Grunt Excerpt: Grunticons

README.js

    grunticon: {
      development: {
        files: [{
          expand: true,
          cwd: 'temp-icons/icons',
            // The source of my SVGs output them at 512px, so using a find-replace script,
            // we copied them to temp-icons/icons and changed the canvas size to 32px
          src: ['*.svg'],
          dest: "temp-icons/grunticon",
            // We saved them in temp-icons/grunticon so that image minification would
            // pick up them up here, minify the PNGs fallbacks, and save copy them over
            // to the dist images directory.
        }],
        options: {
          previewhtml: "icons.html",
          defaultWidth: "64px",
          defaultHeight: "64px",
          colors: {
            red: '#b00911',
            red_dark: '#71060b',
            blue: '#149ce4',
            light: '#8d7b7b',
            highlight: '#fefefe',
            purple: '#343c8c',
          },
          customselectors: {
            "abuse": [".flag-wp-flag-comments-abuse .flag-action"],
            "abuse-red": [".icon-abuse:hover", ".flag-wp-flag-comments-abuse a:hover"],
            "abuse-red_dark": [".icon-abuse.unflag-action"],
            "next-blue": [".icon-next:hover", "#cboxNext:hover"],
            "next-highlight": ["#cboxNext"],
            "prev-blue": [".icon-prev:hover", "#cboxPrevious:hover"],
            "prev-highlight": ["#cboxPrevious"],
            "private-highlight": [".field-name-field-post-access input:checked + label .icon-private"],
            "public-highlight": [".field-name-field-post-access input:checked + label .icon-public"],
          }
        }
      }
    },

Great, thanks!
Will test it out.