33
votes
2answers
2k views

What rules does Google use to make a button gray, blue, or red on their sites?

This has been an elusive topic, and I haven't yet been able to form my own conclusion about what Google's reasoning is to make a given button blue, red, or gray, given their latest design ethos. Take ...
12
votes
2answers
746 views

Which colors would best convey 3 difficulty levels?

I'm making a baby toy/game to learn numbers and I have a menu with 3 buttons. The first button enters "learn mode", the second button is an easy quiz, and the third button is a medium quiz. Are there ...
1
vote
2answers
197 views

Button color for access and deny permissions buttons?

I need to create an email template which is auto generated when an user requests access permissions to a document .The email template is sent to the document owner and is in this format : Subject: ...