Nowadays ,we have develop many 4 in ONE,such as 5050 RGBW LED , 5050 RGBY LED , SK6812 RGBW LED , SK6812 RGBY LED . and there are new for the market . 

and Many customer is very intereted in them . what is the difference between them .

         For 5050 RGBW LED ,it is use 5050 package , 4 led chip in one 5050, they are Red ,Green Blue ,White . 

         For 5050 RGBY LED ,it is use 5050 pacagge too , 4 led chip in one 5050, they are Red ,Green ,Blue ,Yellow. 

          Nowadays ,we have develop 5050 RGBW LED STRIP OR 5050 RGBY LED STRIP on LED quantity per meter 30,60, 72,84,96, 120leds. 

        For SK6812 RGBW LED and SK6812 RGBY LED  ,it is use 5050 package , but There is SK6812 IC package in the 5050, they are smart led chip , which can be 

addressable and digital , you can use them to mix different color as you want , as each led have Ic inside , so they are individual when you use them to make led strip . 

for SK6812 RGBW LED strip  AND SK6812 RGBY LED strip ,nowadays we have develop some led strip , they are different leds on per meter , it is 30,60 72,144leds per meter . 

and we have many those led strip in stock , PCB can be black and white . 

5050 RGBW LED CHIP 

SK6812 RGBY LED CHIP 

SK6812 RGBW LED CHIP