I love blue. It has been a main decor color since ancient times. 
I like blue too.  What a coincidence!
I think greenish blue is my favorite. Some people call it cyan
I know what it is.  I prefer light (slightly bright) blue.
So more like primary blue?
I think so.  What other color does one have to add to change blue to cyan?
If you remove red from white light you can make cyan. 
I see.  I add pink to blue legos for my kids, they turned purple.