Thread: RGB to Hex

I am trying to figure out how to get the hexadecimal value from a RGB.

This is a snippet of my code:

//where a is the user inputed string of a color, i.e. "red"
//and where hex is a linkedHashSet used to store the hexadecimal value of the inputed color
 
final Field f = Color.class.getField(a);
hex.add(Integer.toHexString((Color)f.get(null) & 0x00ffffff));

it says that the operater & is undefined for the argument type(s) Color, int

any insight?
thanks

how to get the hexadecimal value from a RGB.

Can you show an example of what you want to do?
Give a sample input and output

Literally I want the user to enter a color like red. Since red is a java recognized color I want the program to convert the string into a color and then find the hexadecimal of that color so I can put it into a Jradiobutton to change the background of a gui with it.

so...
screen pops up and user enters "red"
then screen closes and a new screen pops up with a Jradiobutton with the hexadecimal of the entered color
and when pressed, the screen turns to that color, in this case "red"

To get from a String value of the name of a color to a String of its RGB value in hex, why not use a hash table with the key the name of the color and the value either an Integer with its RGB value or a Color object from which you can get its RGB value. Use the toHexString method to get the hexString.

sounds like it might work. how would I implement it?

You'd write code to load the hashtable.
Then use the hashtable methods to get the color value using the String the user entered.