The three primary colors.
Source: "Sesame Street: OK Go - Three Primary Colors." YouTube. YouTube, n.d. Web. 04 Dec. 2014.
A song about the primary and secondary colors.
Source: "The Colors Song | The Colours Song â«âªâ«." YouTube. YouTube, n.d. Web. 04 Dec. 2014.
Joe learns the color wheel so he can become an artist.
Source: "The Color Wheel." YouTube. YouTube, n.d. Web. 04 Dec. 2014.
