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Under most circumstances, red fades the fastest of all visible colors. Short-wavelength light such as blue or violet has greater energy than lower-wavelength light, and red has the longest wavelength of visible colors. Red objects reflect red light but absorb harmful, energy-rich, short-wavelength light.
Herein, what car color fades the fastest in sunlight?
Regardless of UV intensity, some color paints are more susceptible to fading, with red paint usually losing its color the fastest.
Also, what colors fade in the sun?
This is because the energy of each photon in light is proportional to the wavelength (Energy of a photon = Planck's constant times wavelength). Blue dyes reflect higher visible wavelengths (not absorb) so are therefore likely to have a minor fade resistance advantage over red and green dyes.
Yellow however will always fade faster b This is actually because the yellow is a “lighter” colour. Lighter colours will absorb more of the UV rays in the Sun and as such will degrade at a faster rate. Yellow however will always fade faster but if the colour has enough yellow in it, it will outlast the blue.