Hmm, make sure you press 6 on the keyboard, and not seven.
Also, if the objects texture is a 'Blinn' shader. Then the light from the camera will be washing out any color. leaving you with a Grey, or white color.
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"Your weapons are no match for ours! People of Mars, surrender!"
"Um, this isn't Mars. This is Earth."
"Earth? Earth-with-nuclear-weapons Earth?"
"Yes."
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