Lesson learned: Sometimes a simple black and white solution is the most colorful. See this?  

It’s white; technically you’re seeing a reflection of every color in the visible spectrum. A new reflective paint from Purdue university…reflecting 98.1 % of ALL light. So white, it’s in the Guinness world record book.

When used, it will mean cooler buildings, reducing HVAC power consumption to cool things down for us.
The secret is Barium Sulfate.  Also known for being a real pain in the ass.  (look it up) ;0)