Here are examples of the colours you can have for the stems/bases & painted parts of the designs: 

 

Black

Gold

Mummy Brown

Lapis Blue

Lavender

Mint Green

Olive Green

Opaline Pink

Paprika

Purple

Scarlet Red

Rose Bengal

Rose Pink

Sapphire Blue

Pewter Silver

Sun Yellow

Violet

White

(looks good with glitter)