Your choice depends on your natural eye colour and how dramatic a change you want: How to Choose the Perfect Coloured Contacts: 10 Tips
An optician can determine if your eyes are healthy enough for contacts or if you have conditions like astigmatism that require specialized "toric" lenses. 2. Choose the Right Lens Type
Buying coloured contact lenses can be a fun way to change your look, but because they are medical devices, it’s important to prioritize safety over style.
Even if you don’t need vision correction, you should before buying lenses.