How many complimentary colors are there?

i don't know exactly the numbers of complimentary colors,but we can make complimentary color on the color wheel using all the three primary,secondary and tertiary colors.

on the basis of color which are depicted on color wheel we can make set of six complimentary colors, those are:-

1. red-green

2. yellow-violet

3. blue-orange

4. red orange-green blue

5. yellow orange-violet blue

6. yellow green-violet red