Asian Supernatural Belief: The 6 Colours of Ghosts

Confessed by Suhao, Host of 00:01
Translated and edited by Eugene Tay

Ghosts are distinguished by different colors. Some people see them as white and some say that they are green and red. What do these colours mean and is there a difference? According to Suhao, host of 00:01, a Chinese language  streaming show on paranormal topics, the colors represent the ghost's resentment index and the mental state of the ghost. It can be divided into six tiers.:

Based off the cover art of City of Ghosts by Victoria Schwab

Sixth place: Grey Ghosts
These are the ghosts who line up to reincarnate, and they are the most commonly seen.
Chance of meeting: The Grey ghosts don't want to see you. If you meet one, it's purely coincidence and these spirits are actually quite harmless. They are wandering around waiting for their time.

Fifth place: White
These are the new souls, formed by people who have just died. They are generally not harmful and are more confused about their new state of being.
Chance of meeting: If you are down on your luck or happen to be in an area where a death had just taken place. This spirit is not likely to disturb you. 

Fourth place: Yellow
The cause of death of the deceased is related financial issues. For example, people who commit suicide due to bankruptcy or money woes are likely to come back as yellow spirits upon death. 
Chance of meeting: People who are troubled by money or material life problems would likely see these ghosts. They are mostly restless and can affect your mood.

Third place: Black
Black ghosts are usually made by people who have died due to sickness or depression. The exude a depressive aura and are blamed for causing accidents. Some believe that these spirits cannot reincarnate and are trying to find unfortunate victims to take over their place.
Chance of meeting: People with illnesses or feeling depressed have a higher chance of seeing black spirits.

Second place: Red
It is said that people who died tragically without justice or by taking their own lives due to emotional problems will become vengeful spirits. In Asia, there's a common misconception that committing suicide while dressed in red or burying the deceased in red will definitely bring the spirit of the soul of the dead back as a vengeful spirit. The colour of the burial outfit is less relevant than the intensity of the grievance.
Chance of meeting: People who are facing relationship problems, feeling emotionally unstable, or just experiencing a spate of bad luck.

First place: Green
The green ghost is an occasional feature in Asian ghost stories. They are usually depicted by a spirit that can absorb the living's energy, take over their body, and are not anchored to a single place. These spirits can haunt you even in the day and have the ability to move objects. 
Chance of meeting: People who have done many bad things, those that have harmed others, will be particularly susceptible to meeting such ghosts. It's easier to take over someone who has already very low self control.