It is dull white or tan color or Rufescent.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
The eggs are usually three in number, of a rosy or purplish white, sprinkled over rather numerously with deep claret or Rufescent purple specks and spots.
"The Nests and Eggs of Indian Birds, Volume 1"
Allan O. Hume
Eggs three or four, rosy or faint purplish white, thickly sprinkled with specks and spots of darker Rufescent purple or claret colour.
"The Nests and Eggs of Indian Birds, Volume 1"
Allan O. Hume