EXPECTED BEHAVIOR:
animateColor will begin at 1 second and have a duration of 2 seconds.
note additive=sum.
At 0 seconds, the color will be GREEN - #00FF00.
At 1 second, animateColor begins and the color will start at GREEN.
At 1.5 seconds, the midpoint of animateColor, the color will be #007F7F.
At 3 seconds, the color will be BLUE - #0000FF - and animateColor Ends.
After animateColor ends, fill=remove should return the background-color to #00FF00.
**Note: calcmode="paced" each color value changes evenly over time duration