SK6812RGBY led chip 5050

Nowadays ,we have develop many new items , one is SK6812 RGBY led chip , another is SK6812 RGBW led chip , about SK6812 RGBY led chip ,it is pacakge by 5050, it have 4led chip in one 5050 ,they are red, blue green and yellow , and we have use those led chip to make led strip , and they are become more and more popular.
the datasheet of our SK6812 RGBY is on the folowing
http://www.led-color.com/upload/201511/SK6812RGBYLED.pdf
and the datasheet of our sk6812rgbw led chip is on the following
http://www.led-color.com/upload/201511/SK6812%20RGBW%20LED.pdf
if you have any quesiton , please feel free to contact us