The special effectively changed the Grinch's coloring from his neutral, colorless appearance in the book (largely printed in black and white ... like "You're A Mean One, Mr. Grinch" and "Welcome ...

2The Grinch was based on Dr. Seuss (and wasn’t originally green) In the Dr. Seuss book, the Grinch was rendered in black and white ... and “You’re a Mean One, Mr. Grinch.” ...