While various colors are visually appealing, there is a more important function to different hues: color-coding plays an important role in plastic recycling.
Color variation among plastic products may provide aesthetic appeal, but it is also is an important part of a color-coding system intended for a more eco-friendly world. Optical sorting has been an effective method of recycling and sorting in the glass industry for quite some time, and with an increased need for recycled plastic products, color sorting has now become the norm in the plastic industry as well.