One of the key features of the iPhone XR is the wide range of bright colors and Apple is reportedly working on further improving that in its successor. Two new paint jobs will be coming to replace two of the current ones. According to a reliable source, the colors in question are coral and blue - they will make way for new green and lavender-like shade. Interestingly, the renders that surfaced the other day show the handset in blue, yellow, white and red. It's cool to see Apple departing from its boring black and white scheme even if it's only for its "budget" handset. We will see...
Source: https://www.gsmarena.com/iphone_xrs_successor_to_replace_two_of_the_colors_with_new_ones-news-37009.php