There is no need to distinguish correct connections by color. It's all up to you to define. Just as long as the pins are connected correctly. Please see the image below.
It is not necessary to distinguish whether the connection is correct by color. You can define it yourself. As long as the pins are connected correctly. Look at the picture below.
There is no need to distinguish whether the connection is correct by color. This can be defined by yourself. As long as the pins are connected correctly. Please look at the picture below.