/wro4j-core/src/main/java/ro/isdc/wro/model/resource/processor/support/Lessify.java
if ( CssColors.forName( color) != null) {
if ( colorCount.get ( color ) == null ) {
css = conformColors(css); final Matcher m = PATTERN_COLOR.matcher(css); final Map<String, Integer> colorCount = new HashMap<String, Integer>(); while (m.find()) { final String color = m.group().substring(1, m.group().length() - 1); colors.add(color); <extra_id_0> colorCount.put(color, 1); } else { colorCount.put(color, colorCount.get(color) + 1); } } final StringBuffer result = new StringBuffer();