add_action( 'wp_enqueue_scripts', 'child_enqueue_styles', 15 );

function your_prefix_astra_color_palettes() {

  $color_palettes = array(
 '#ffffff',
 '#c7aad3',
 '#8d53a5',
 '#56007a',
 '#095aa5',
 '#b5c6e0',
 '#aaaaaa',
 '#000000',
 
  );
  
  return $color_palettes;
}

add_filter( 'astra_color_palettes', 'your_prefix_astra_color_palettes' );
function mytheme_setup_theme_supported_features() {
    add_theme_support( 'editor-color-palette', array(
        array(
            'name' => __( 'white', 'themeLangDomain' ),
            'slug' => 'white',
            'color' => '#ffffff',
        ),
        array(
            'name' => __( 'very-light-purple', 'themeLangDomain' ),
            'slug' => 'very-light-purple',
            'color' => '#c7aad3',
        ),
        array(
            'name' => __( 'light-purple', 'themeLangDomain' ),
            'slug' => 'light-purple',
            'color' => '#8d53a5',
        ),
        array(
            'name' => __( 'purple', 'themeLangDomain' ),
            'slug' => 'purple',
            'color' => '#56007a',
        ),
        array(
            'name' => __( 'blue', 'themeLangDomain' ),
            'slug' => 'blue',
            'color' => '#095aa5',
        ),
        array(
            'name' => __( 'light-blue', 'themeLangDomain' ),
            'slug' => 'light-blue',
            'color' => '#b5c6e0',
        ),
        array(
            'name' => __( 'dark-gray', 'themeLangDomain' ),
            'slug' => 'dark-gray',
            'color' => '#aaaaaa',
        ),
        array(
            'name' => __( 'black', 'themeLangDomain' ),
            'slug' => 'black',
            'color' => '#000000',
        ),
    ) );
}
 
add_action( 'after_setup_theme', 'mytheme_setup_theme_supported_features' );