RGB-to-Hex Conversion

 Why to convert to HEX ?

when most of times you use RGB values it Slows down the loading speed of the blog and some times doesn't  not show correct Colors. 

Question: How do I convert RGB values of a color to a hexadecimal string?

Answer:
The algorithm is as follows:

make sure that RGB values are in the range 0...255,
convert RGB values to hex strings,
and then merge the three strings.

Try it yourself: