public void setBackgroundColor(String backgroundColor) {
        this.backgroundColor = backgroundColor;
    }
Specify the color of the rectangle behind the captions. Leave background color blank and set Style passthrough to
enabled to use the background color data from your input captions, if present.

@param backgroundColor
       Specify the color of the rectangle behind the captions. Leave background color blank and set Style
       passthrough to enabled to use the background color data from your input captions, if present.
@see DvbSubtitleBackgroundColor
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/DvbSubDestinationSettings.java