According to new color preference data from Consumer Intelligence Research Partners (CIRP), Apple's space gray iPhone 5s was the most popular choice for consumers in the United States, followed by the silver and gold models, which is unsurprising given significant supply constraints of the gold and silver iPhones. 43 percent of iPhone 5s units sold were space gray, while 30 percent were silver and 27 percent were gold. Supplies of the space gray model were more readily available than the silver and gold iPhones, but consumers have demonstrated a preference for the black iPhone in the past. For the iPhone 5c, blue proved to be the most popular choice with 27 percent of purchasers choosing the color, followed closely
