Need information about electrical wire colour coding

I am installing a light fixture. It has a live and neutral wire (blue and brown). Then, on opposite end of wires, it has a black and red (possibly the ground) wires which have their ends resting on two copper mounds. My ceiling has a ground and the two live wires (black and white). Before connecting the wires, would the blue or brown wire connect to the existing black or white wire? What do I do with the "extra" ground wire since the light doesn't come with the "green/yellow ground wire" described in the instructions? I think the instructions are for a different model of lighting. Thanks you.