Top down approach

The task:
Make a function to fade from the current bgColor to a new user-specified colour.

Sub task:
Get user input
Sub task:
Fade from current colour to new colour

Sub task:
Convert current bgColor to decimal
Sub task:
Calculate steps between current colour and new colour
Sub task:
Fade from old to new colours

Sub task:
Extract individual RGB values from hex number
Sub task:
Convert from hex to decimal
Sub task:
Calculate difference between old and new RGB values
Sub task:
Find minimum difference that is != 0
Sub task:
Calculate total number of steps to new colour, and individual increments.

The task: Make a function to fade from the current bgColor to a new user-specified colour.
Sub task: Get user input	Sub task: Fade from current colour to new colour
	Sub task: Convert current bgColor to decimal		Sub task: Calculate steps between current colour and new colour			Sub task: Fade from old to new colours
	Sub task: Extract individual RGB values from hex number	Sub task: Convert from hex to decimal	Sub task: Calculate difference between old and new RGB values	Sub task: Find minimum difference that is != 0	Sub task: Calculate total number of steps to new colour, and individual increments.