static String toText(Color color) {
        String text = colorMap.get(color);
        if (null == text && null != color) {
            StringBuilder sb = new StringBuilder();
            sb.append('[').append(color.getRed()).
                    append(',').append(color.getGreen()).
                    append(',').append(color.getBlue()).
                    append(']');
            text = sb.toString();
        }
        return text;
    }