Electrons, protons, and neutrons are subatomic particles that make up atoms. They do not have an inherent color in the traditional sense because color is a property of light, and these particles are much smaller than the wavelength of visible light.
However, it's important to note that in the field of particle physics, scientists often use color to describe a property of quarks, which are the fundamental particles that make up protons and neutrons. Quarks have a property known as "color charge," but it is unrelated to the colors we perceive with our eyes.
In summary, electrons, protons, and neutrons do not have a specific color that can be observed with the naked eye.