Brand Color Shortcode

add brand color name, hex, rgb, and cmyk

// Add Shortcode
function brand_color_shortcode( $atts ) {

	// Attributes
	$atts = shortcode_atts(
		array(
			'colorname' => 'black',
			'hex' => '000',
			'rgb' => '0,0,0',
		),
		$atts
	);

	$brandcolorhex = '--color-brand-hex-' . $att[colorname] . ': #' . $att[hex];
	$brandcolorrgb = '--color-brand-rgb-' . $att[colorname] . ': rgb(' . $att[rgb] . ')';
	$brandcolor = $brandcolorhex . ' ' . $brandcolorrgb;
	$output = '<style>:root {' . $brandcolor . '}';
	
	return $output

}
add_shortcode( 'brandcolor', 'brand_color_shortcode' );