How useful is a non hexadecimal RGB value

1

ok to start this example I have a rgb value such as

red-169
green-203
blue-210

how could I make a simple fill with that colour in say this example?


var square:Sprite = new Sprite();
square.graphics.beginFill(0xFF);
square.graphics.drawRoundRect(0, 0, 100, 50, 10, 10);
square.graphics.endFill();
addChild(square);