A Java program which allows users to play with text and background color to test the contrast effects.

Download or git clone this repo and run it with Java 8 or higher versions.

Run this command on the root folder of the source code.

javac -cp src -d bin src/app/App.java

.class files will be generated in the bin folder.

Then type this command to create a .jar file:

cd bin
jar cfe text.jar app.App *

A .jar file named text.jar will be created.

After we get text.jar file from compilation, we can use the following command to run the .jar file:

java -jar text.jar

• Use the RGB sliders to change background colors. The text color will change as well in contrast to the background color.

• Enter a number on the text fields beside the RGB sliders, and hit enter to change the RGB values.

• Click on the Text will show up a color picker window. Select a color to change the color of text to test different color sets.

• Click on the background will show up a color picker window. Select a color to change the color of background.

• Click on the Quit button and the program will exit.