Question

what are 3 complementary colors i can use

Answer 1

Answer:

The three traditional sets of complementary colors, as derived from the Red-Yellow-Blue color

Explanation:

But if you are looking for 3 colors that go well together then I suggest Beige, Brown, Dark Brown or Dark Blue, Turquoise, Beige

Answer 2

Answer:

The three complementary color that you can use are Red-Yellow-Blue