You see the book of death carpet.
This carpet resembles the book of death prime artefact. It feels soft to the touch and seems to have almost no weight.
Notes
It can be obtained by using a Cloth Fragment (Book) 
on The True Book of Death 
. Only characters that have defeated Brokul during the Secret Library Quest and defeated Yselda during the Adventures of Galthen Quest can create this item. If you use it, it will return to the uncoloured version.