The exact color of the sky depends on the time, location, and atmospheric conditions. It is usually a combination of blue, white, and sometimes shades of pink, orange, and yellow during sunrise and sunset.

Generally, the sky appears blue due to the scattering of sunlight by molecules in the atmosphere. This phenomenon is known as Rayleigh scattering. The particles in the atmosphere scatter blue light more effectively than other colors of light because it is the shortest wavelength.

However, the color of the sky can change throughout the day and year due to various factors, such as the amount of dust, water droplets, and pollutants in the atmosphere, as well as the sun's position in the sky. For example, at sunrise and sunset, when the sun is closer to the horizon, the sky often takes on a reddish or orange hue.