This website is not recommended for free image library as it has limited registration options and limited download quota for new users. However, it does support Chinese search and has over 100,000 images, including many works from museums. Each image has its main colors labeled with a color palette, making it easy to search for images by color. However, it only allows registration through Weibo, QQ, and Github, and new users can only download three images. Additional download quota can only be obtained through recharging or by recommending others to register.