Using if elseif else conditional statements in Genesis https://wpsites.net/php-code/if-else/

functions.php

add_action( 'genesis_before_content_sidebar_wrap', 'if_elseif_else_code_test' );

function if_elseif_else_code_test() {

   if ( is_front_page() ) {
        echo '<p style="color:blue;">This prints on your front page</p>';
    } elseif ( is_singular('post') ) {
        echo '<p style="color:green;">This text prints on all single posts excluding your front page</p>';
    } else {
        echo '<p style="color:red;">Print this on all pages if all other conditions return false</p>';
    }

}