<p>The present invention provides a polymeric dye suitable for providing shading benefits to laundry textiles. The polymeric dye is a hydroxyalkyl cellulose selected from: hydroxypropyl cellulose; hydroxypropyl methylcellulose; hydroxybutyl cellulose; and, hydroxybutyl methylcellulose, wherein the hydroxyalkyl cellulose is covalently bound to reactive dye.</p>
