Blue traits are neutral traits. This means the trait is not good or bad / is only slightly good or bad / is only slightly both. Blue traits mostly affect what type of person the character is.
Red traits are mostly negative traits. This means that the trait is mostly used in a negative matter, affects the character negatively OR is harmful to people around said character.
Green traits are simply mostly positive traits. This means that the traits are mostly used in a greatly positive fashion. This does not mean that the green trait has to be always positive, it just is mostly positive.
Purple traits are strange and unpredictable. Purple traits are very bad or very good, but most of the time they’re both. Purple traits are almost always very vague about what they do.
Yellow traits are abilities a character can do. Most abilities are buffs, or debuffers but some can also be powerful moves or strange abilities.