Among the properties of new media art works, interaction with audience has now become a big issue, and its influence to general arts, in particular media art, is being stressed more and more. Under the this influence, various experimental works using digital media are being produced and having a try to combination of art and multimedia technology on the network. This paper analyses studies about netart and suggests visualization expression of color data to be interactive between users and art works. The work is to make formative elements based fluid shapes on the analysis of color data extracted from images. This is a new experiment in picturesque expression of data and aesthetic visualization of data.