1. Blue: Normal form Rasengan, including Big Ball Rasengan, Wind Release Rasengan, etc. Wind Release: Rasenshuriken is the most powerful.

2. Red: Red Chakra Mode Rasengan, a fusion of Nine-Tails' chakra, is more powerful than normal Rasengan. 

3. Black: Combination of Naruto's Wind Release Rasengan and Sasuke's Blaze Release Kagutsuchi. Named "Scorch Release: Light Wheel Quick Attack Zero".

4. Red and black: Melting Release Rasengan in Six Paths Sage Mode, can cause an extremely powerful burning effect.

5. Blue and black: Magnet Release Rasengan, a combination technique used by Naruto and Minato Namikaze, can seal the target's movements.

6. Blue and green: Taijutsu Rasengan, a combination technique used by Naruto and Boruto's Minato Namikaze form, is said to be the most powerful. 

7. Rainbow: Seven-Color Rasengan, appearing in "Naruto the Movie: Ninja Scrolls". The chakra reflection from a snow device created a colorful Rasengan with similar power to the normal one.