What jobs can't you do if you are colourblind?

Actually there are a lot of job fields where a colour blind patient cnt make it, such as graphic design(as expected) and engineering( most of the fields in engineering do not allow colour blind patient to be an engineer even it does really little relation with colour, it's because engineering field always related to someone's life, so it's not suitable to take risk), other thn that there are also occupation like pilot, police, army (law enforcers) and some fields that need a little or much colour specification