private void checkRgb01Color(final ColorItem colorItem) {
final Color color = colorItem.get();
final RGB01Color wc = (RGB01Color) ResourceBuilders.COLOR_BUILDER.getParam(colorItem);
assertEquals(color.getRed(), wc.red(), 0.000001);
assertEquals(color.getGreen(), wc.green(), 0.000001);
assertEquals(color.getBlue(), wc.blue(), 0.000001);
assertEquals(color.getOpacity(), wc.opacity(), 0.1);
}