*Sapphire Blue and the Red are the more intense and vivid from the lineup.* I always get compliments at work on these liners, which are far more precise, long wearing, and opaque than any pencil liner. Hands down the most opaque/bright/vivid is the sapphire blue, which convinced me to purchase the rest of the colors here on amazon. I am also pleased with the Purple, Red, Orange, Pink and would rate them all 5 stars. Sadly, the Yellow is quite pastel and not very vivid/opaque, maybe 3-4 stars. ThSee full review