I have noticed a lot of people consider certain colours boring for a particular sex but not necessarily the opposite sex. Write BG (boring for girls) and BB (boring for boys) next to the colour if you are fed up of these colours for either sex or think they are too dark and drab etc.
Red
Orange
Yellow
Green
Dark green
Pink
Purple
Blue
Navy blue
Turquoise
Teal
Grey
Brown
Khaki
Stone
Beige
Black
White
Tan
Camel
Rust
Mustard
Burgandy
Marroon
Sailor inspired:
red and white stripes
navy and white stripes
navy and cream stripes