Hahnemühle’s new toned Watercolour Books have lightly tinted beige or grey paper.  Using toned paper to create different styles look in your painting, great flow for paint, ease of color-lifting and brightness of the paint. 
Paper: 200 gsm, grey and beige, fine-grained, acid free
Binding: Sewn
Cover: Solid linen
Extras: Ribbon, Elastic band
Suitable for watercolors, gouache, tempera, pastel, charcoal, pencil and crayons
And why would you want to use toned watercolour paper? 
:.It reduces glare from the sun or other bright lights
:.It reduces the need for a background, allowing a simpler painting
:.You can work from both dark to light and light to dark
:.Many artists feel it gives a more natural result