Original gif:
On dark theme:

On light theme:

Sprite maps:
Original gif on dark theme converted to sprite map:

Original gif on light theme converted to sprite map:

Diff:
Pixels that differ from dark to light, a margin of error had to be included, gifs have lots of data loss:

Final outputs
Sprite map on light theme screened for differing pixels:

Large size scaled down to 3/4 with bilinear filtering:

Large size scaled down to 2/4 with bilinear filtering:

Large size scaled down to 1/4 with bilinear filtering:

Sprite maps animated with text:
This
is
some
text
.
Align
the
emotes
to the center.