There are enough articles and resources available on the internet which explains racist caricatures made of Asians. Look it up. Maybe then you will realize why the colour yellow is considered offensive.
Aleka
The Dark Gods
Derinoe
Egg Fu
Eirene (the god, not the minotaur)
First Born
Genocide
Grail
I-Ching
Jason
Liar Liar
Maxwell Lord
Tolifhar & the Gorilla Knights
Zola
OTHER
There are enough articles and resources available on the internet which explains racist caricatures made of Asians. Look it up. Maybe then you will realize why the colour yellow is considered offensive.