One of my favorite succulents is Crassula capitella 'Campfire'.  The nursery tag describes it as a 12-inch sun to part shade plant.  Here's a picture of a nursery purchase.  As in all succulents, the leaves are plump and fleshy because they store water.  When the plant is in an all-day shade, the leaves will be green.  

There are generally two conditions needed for the plant to change color:  Sun stress and water stress.  With adequate sun and limited water, the color can slowly change to a brilliant orange-pink hue. Too much water can change it back to green.  I watered mine too much at first, and only the tips were slightly pink.  The 2-year-old plant below has not had any water for 3 weeks. 

Now in winter, 'Campfire' can be in all-day sun.  However, during the hot summer (Fairfield, Zone 9b) it will be in morning sun and afternoon shade.  It is potted in fast-draining succulent soil. 

Seasoned gardeners find 'Campfire' easy to maintain.  But as a gardening newbie, I have found Campfire to be highly susceptible to mealy bugs.  That's partly because I was doing it wrong at first.  Now I know that a weekly scan of the plant is very helpful in spotting and eradicating the pests.  The slightest sign of a white cottony dot triggers a thorough spray bath of 70% alcohol to get rid of the buggers.  Watering leaves in the evening during wet weather increases the chance of mealies (mealybugs). 

To propagate 'Campfire', take cuttings, wait a couple of days to seal off the cut, then stick them in soil.  This works for me better than trying to propagate the leaves.  I could take cuttings from this plant and start a new pot but have decided to enjoy the trailing effect instead.  So pretty.