I will create a world that is from color blind people’s perspective in Unity. I will put the first person controller inside a huge cube with four bricks walls around it, and one above it. The walls will be made by many little cubes with different colors. Each wall represents one type of partial color blindness. When the first person controller moves near any of the walls, the color of some cubes will change back to normal color (how non color blind people perceive).

Research

Color blindness also knows as color vision deficiency, is the decreased ability to see color or differences in color

Based on clinical appearance, color blindness may be described as total or partial, and total color blindness is much less common than partial color blind. I’m gonna focus on partial color blindness

The most common cause of color blindness is an inherited fault in the developing  of one or more of the three sets of color sensing cones in the eye. Males are more likely to be color blind than females because the genes responsible for the most common forms of color blindness are on the X chromosome. Female have two X chromosomes while males only have one. Color blindness can also result from physical or chemical damage to the eye, optic nerve, ro parts of the brain

There are two major types of color blindness: those who have difficulty distinguishing between red and green, and who have difficulty distinguishing between blue and yellow

Red-Green color blindness

Protanopia

For a protanopia, the brightness of red, orange, and yellow are much reduced compared to normal. This dimming can be so pronounced that reds may be confused with black or dark gray, and red traffic lights may appear to be extinguished. They may learn to distinguish reds from yellows primarily on the basis of their apparent brightness or lightness, not on any perceptible hue difference. Violet, lavender, and purple are indistinguishable from various shades of blue because their reddish components are so dimmed as to be invisible. E.g., pink flowers reflecting both red light and blue light, may appear just blue to the protanope

Deuteranopia

Those affected are again unable to distinguish between colors in the green-yellow-red section of spectrum. A deuteranope suffers the same hue discrimination problems as protanopes, but without the abnormal dimming. Purple colors are not perceived as something opposite to spectral colors

Protanomaly

Protanomalous individuals are less sensitive to red light than normal. This means that they are less able to discriminate colors, and they do not see mixed lights as having the same colors as normal observers. They also suffer from a darkening of the red end of the spectrum. This causes reds to reduce in intensity to the point where they can be mistaken for black

Deuteranomaly

Unlike protanomaly the intensity of colors is unchanged. The deuteranomalous person is considered “green week”. E.g., in the evening, dark green cars appear to be black to deuteranomalous people. Similar to the protanomates, deuteranomalous people are poor at distinguishing small differences in hues in the red, orange, yellow, green region of the spectrum. They make errors in the naming of hues in this region because the hues appear somewhat shifted toward green. One very important difference between deuteranomalous individuals and protanomalous individuals is deuteranomalous individuals do not have the loss of "brightness" problem

Blue-Yellow color blindness

Tritanopia

Lacking the short-wavelength cones, those affected see short-wavelength colors (blue and a spectral violet) greenish and drastically dimmed, some of these colors even as black. Yellow is indistinguishable from pink, and purple colors are perceived as various shades of red.

Tritanomaly

Having a mutated form of the short-wavelength (blue) pigment. The short-wavelength pigment is shifted towards the green area of the spectrum