When human guess the content of a web page, not only the text on the page but also its appearance is an important factor. However, there have been few studies on the relationship between the content and visual appearance of a web page. We investigating the tendency between them, especially web content and color use, we found a tendency to use color for some kinds of content pages. We think this result opens the way to estimating web content using color information. Categories and Subject Descriptors I.2 [Computing Methodologies]: Artificial Intelligence; I.2.0 [Ar