Colours around us.
Violet
Indigo
Blue
Green
Yellow
Orange
Red
Violet, Indigo, Blue, Green, Yellow, Orange and Red together make up the colours of the rainbow. Or, VIBGYOR.
That's an easy way to remember it.
VIBGYOR. Violet, Indigo, Blue, Green, Yellow, Orange and Red.

Let's see some other common colours you may know:
Purple
Brown
Grey
Black
White

The world is full of colours.
Look around you.