Rainbow Silhouette PNG Transparent Images

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License Info: Creative Commons 4.0 BY-NC

Uploaded on on Sep 5, 2021


A rainbow is a meteorological phenomenon that occurs when light is reflected, refracted, and dispersed in water droplets, resulting in a spectrum of light seen in the sky. It’s shaped like a multicolored circular arc. Sunlight-induced rainbows always appear in the sky region directly opposite the Sun.

Rainbows can take the form of complete circles. The viewer, on the other hand, usually only sees an arc created by lit droplets above the ground, centered on a line from the Sun to the observer’s eye.

The arc of a primary rainbow is red on the outside and violet on the inside. Light is refracted as it enters a droplet of water, reflected internally on the rear of the droplet, then refracted again when it leaves it, resulting in this rainbow.

A second arc appears outside the original arc in a double rainbow, with the sequence of the colors reversed, with red on the inner side of the arc. The light is reflected twice on the interior of the droplet before leaving it, which causes this.

A rainbow is an optical illusion created by any water droplets viewed from a certain angle relative to a light source. It is not positioned at a certain distance from the observer. As a result, a rainbow is not a tangible thing that can be approached. Indeed, any angle other than 42 degrees from the direction opposite the light source prevents an observer from seeing a rainbow formed by water droplets. Even if another viewer seems to be “beneath” or “at the end of” a rainbow, the second observer will see a separate rainbow”further away”at the same angle as the first observer.


Rainbows are made up of a wide range of colors. Any discernible bands are an artifact of human color vision, and in a black-and-white snapshot of a rainbow, there is no banding of any kind, simply a smooth gradient of intensity to a maximum, then receding towards the other side. The most widely quoted and recalled sequence for colors perceived by the human eye is Isaac Newton’s sevenfold red, orange, yellow, green, blue, indigo, and violet, which is remembered by the mnemonic Richard Of York Gave Battle In Vain (ROYGBIV).

Rainbows may be generated by a variety of different types of airborne water. Rain, as well as mist, spray, and airborne dew, are examples.

When there are water drops in the air with sunlight streaming from behind the viewer at a low height angle, rainbows can be seen. As a result, rainbows are most commonly observed in the morning in the western sky and in the early evening in the eastern sky. When half of the sky is still dark with rainy clouds and the viewer is at a position with clear sky facing the Sun, the most amazing rainbow displays occur. The end effect is a brilliant rainbow that stands out against the gloomy background. The bigger but fainter secondary rainbow is frequently observed in such excellent visibility circumstances. It appears 10 degrees outside of the normal rainbow, with colors in reverse order.

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