Algorithm Steps:

Step 1: Write a html applet tag with code property set to the class name and comment it

Step 2: Import necessary packages and classes

Step 3: Define a class that extends applet and implements adjustment listener

Step 4: Declare three scroll bars red, green, and blue

Step 5: Declare a panel to hold scroll bars and three labels for them

Step 6: In the init() method, do the following:

          i) Create the scroll bars, set their unit increment and add adjustment listern to them

          ii) Create the panel and set its layout to grid layout of 3 rows and two columns

          iii) Create the labels and add them to the panel and then add the scroll bars

          iv) Add the scroll panel to the applet

Step 7: In the adjustmentValueChanged() method, repaint the applet

Step 8: In the paint() method, do the following:

           i) Create a color from the values of red, green and blue scroll bars

          ii) Draw a rectangle and fill it with the created color