Extracting color schemes of pages written in a markup language

摘要

An aspect includes extracting a color scheme of a page written in a markup language. A content portion from the page is nonvisualized, a subtractive process is applied to the page with the content portion having been nonvisualized, and a color scheme is extracted from the page to which the subtractive process has been applied.

主权项

1. A method of extracting a color scheme of a page written in a markup language, the method comprising:
nonvisualizing a content portion from the page; applying a subtractive process to the page with the nonvisualized content portion; and extracting the color scheme from the page to which the subtractive process has been applied; wherein upon determining the content portion is an image, the nonvisualizing the content portion includes: applying the subtractive process to the image which has not been nonvisualized; and upon determining characteristic colors vary to a specified degree in the image after the subtractive process, nonvisualizing the image in at least one of the following cases: a case where a link destination of the image is an external domain; a case where a parent of the image is an anchor tag, and a link destination of the parent is an external domain; a case where the image has an attribute associated with accessibility information but a value of the attribute is not an alternative text; and a case where the image has an attribute associated with accessibility information, and a value of the attribute is an alternative text.