the topmost line shows the text "Sample 123" that animates its fill-color smoothly from blue to green over the course of six seconds
the middle line shows the text "Sample 123" in a larger font-size than the first line, in blue fill-color that doesn't animate
the bottommost line shows the text "Sample 123" in the same font-size as the topmost line, then smoothly animating the font-size
to be larger than the middle line over the course of six seconds. At the same time the fill-color is smoothly animated from blue to green
after six seconds the rendered result matches the reference image
