The best ratio is this:
75% fruits; 20% vegetables; 5% nuts and seeds. Fruits are not just apples, pears, oranges, etc., but also melons, such as cucumbers, radishes, carrots, melons, etc.
It is best to choose vegetables with dark green leaves, such as spinach, sweet potato leaves, lettuce, etc.
Nut seeds include walnuts, almonds, cashews, pumpkin seeds, chia seeds, etc.