generate-gutenberg-color-palette.php

/**
 * Populate Gutenberg Color Palette Colors
 */
function pro_populate_gutenberg_color_palette() {
	// Disable Custom Colors
	add_theme_support( 'disable-custom-colors' );
  
	// Editor Color Palette
	add_theme_support( 'editor-color-palette', array(
		array(
			'name'  => __( 'Brand 1', 'pro-theme-1' ),
			'slug'  => 'pro-theme-brand-1',
			'color'	=> '#153840',
		),
		array(
			'name'  => __( 'Brand 2', 'pro-theme-1' ),
			'slug'  => 'pro-theme-brand-2',
			'color' => '#c4e1de',
		),
		array(
			'name'  => __( 'Brand 3', 'pro-theme-1' ),
			'slug'  => 'pro-theme-brand-3',
			'color' => '#bb8b3b',
		),
		array(
			'name'	=> __( 'Light 1', 'pro-theme-1' ),
			'slug'	=> 'pro-theme-light-1',
			'color'	=> '#c4e1de',
		),
		array(
			'name'	=> __( 'Light 2', 'pro-theme-1' ),
			'slug'	=> 'pro-theme-light-2',
			'color'	=> '#e1f0ee',
		)
	) );
}
add_action( 'after_setup_theme', 'pro_populate_gutenberg_color_palette' );