in UX design (that means designing for the internet) it’s important to consider value and contrast because people see color differently. People who are color blind will have a very different visual experience than someone who is not, so value and contrast are essential in communication to differently sighted people.

It's true, people who find many Chinese software UI's to be busy and crowded can't read Chinese and thus don't understand their localized appeal to the Chinese market. As eye-tracking studies have shown (example), Chinese users scan pages differently, and why shouldn't they considering the fundamental differences between an alphabetic language like... See more