Check out example codes for "create color object java". It will help you in understanding the concepts better.
Code Example 1
//Color using RGB Color col = Color(r, g, b); //Color using RGBA Color col = Color(r, g, b, a); //r, g, b and a can be a float between 0.0 and 1 or //an int between 0 and 255 //The format must be consistant across all values
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