From Unit Plan: Clifford Learns About Colors and So Do We
Books for Teaching Yellow:

Sunflower House by Eve Bunting
Sam Plants a Sunflower by Axel Scheffler & Kate Petty
Van Gogh by Mike Venezia
Camille and the Sunflowers...A Story about Vincent van Gogh
by Laurence Anholt

Class Project: Students paint reproductions of Vincent van Gogh's Sunflowers.

Book for Teaching White:

It Looked like Spilt Milk by Charles G.Shaw

Class Project: Make a class Book, "Sometimes it looked like______."
Cut cloud shaped stencils out of old file folders and have students sponge paint the clouds against a "sky paper." Write about the things they see.

Book for Teaching Orange:

Pumpkin, Pumpkin by Jeanne Titherington
The Pumpkin Book by Gail Gibbons
The Runaway Pumpkin by Kevin Lewis

Class Project: Replicate a pumpkin lifecycle on a vine.
Use green roving for the vine, tissue paper for the leaves and yellow flowers, and two paper plates for the pumpkin.

Books for Teaching Red:

Ten Apples up on Top! by Theodore LeSieg
The Seasons of Arnolds Apple Tree by Gail Gibbons
Apples by Gail Gibbons

Class Project: Make a class Book, "Apples on Top."
Take a digital picture of each child. Mount the pictures and give the students apple stickers to paste on top of their heads.

Books for Teaching Blue:

Blueberries for Sal by Robert McCloskey

Class Project: Yarn-sewn, blueberry bucket with 10 real blueberries. Eat the blueberries.

General Color Books:

23 A Color of His Own by Leo Lionni
Cat's Colors by Jane Cabrera
My Many Colored Days by Dr. Suess
Little Blue and Little Yellow by Leo Lionni
A Fishy Color Story by Joanne & David Wylie
White Rabbit's Color Book by Alan Baker
Color Dance by Ann Jonas
Brown Bear, Brown Bear, What Do You See? by Bill Martin Jr.
Rain by Robert Kalan
Mouse Paint by Ellen Stoll Walsh
Planting A Rainbow by Lois Ehlert