What colour box would appeal to you and your child ages newborn - 4 years

Dear Mums,

I wondered if you could help me with a simple reply with your preferred colour and why would be a great help. If you was to received a product what colour packaging would be more appealing to the eye for you or your child. Example if you was to receive reading books in the post what colour packaging would you like to see or your child would recognise/relate to. 

Colours:

1. White 

2. Orange

3. Turquoise

4. Lime Green

5. Red

6. Yellow

Thank you