Is the color of this seedling normal?

Improvised a 23 watt CFL and a desk lamp in a cardboard box with mylar emergency blanket on the walls and on the inside of the lamp shade to create a reflector. There's a fan going on the inside. Temps have reached a max of 86°F and humidity is 45-55%
 
Here is a photo of my pineapple when she was a seedling. You can clearly see the red purple stem. Just some reassurance for you.
20160327_080413_zpsyqzlqpnf.jpg

OK cool. I'm growing seedsman white widow.
 
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