Going this far will allow you to use your Silhouette CAMEO 3 with your machine - with the exception of the Bluetooth capabilities. To get the Silhouette CAMEO 3 Bluetooth feature working, you'll need to return to the Silhouette Studio Download website and download the CAMEO 3 Firmware V1.13.0.
There is no main color in the rainbow. There are seven constituent colors of the white light. We called the spectrum as rainbow.
Rainbow is an unofficial term for a very colorful budgie -- usually clearwing opaline yellowface (type1) blues. The wing markings should be as faint as possible. Greywings, and whites (opaline yellowface blue) are also often referred to as rainbows.