Blue Cookie Monster
blue
Blue plus red equals purple
red plus blue equals purple
Blue plus red equals purple
black
purple
Cyan (blue)
well the shirts cost about 20.00 plus tax at ancher blue in the mall in el paso some stores have it 4 more money like 40.00 so i say you buy your shirt at ancher blue for 20.00
Bluish brown
No, green plus blue is bluish green (or possibly greenish blue).
yellow
indigo aka indicum