Check out example codes for "hsla css w3schools". It will help you in understanding the concepts better.

Code Example 1

#p1 {background-color:hsla(120,100%,50%,0.3);} /* green */
#p2 {background-color:hsla(120,100%,75%,0.3);} /* light green */
#p3 {background-color:hsla(120,100%,25%,0.3);} /* dark green */
#p4 {background-color:hsla(120,60%,70%,0.3);} /* pastel green */

Code Example 2

hsla(hue, saturation, lightness, alpha)

Learn ReactJs, React Native from akashmittal.com