Create a colour from Cie-Lab* channel values.

Input parameters:

1. L* → Value of the L* channel in the $[0,100]$ range.
2. a* → Value of the a* channel in the $[-50,+50]$ range.
3. b* → Value of the b* channel in the $[-50,+50]$ range.

Output parameters:

1. Cl → Colour from Cie-Lab* channels.