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Effect of light from the rose window in Bari Cathedral, recurring in religious architecture to metaphorically allude to the spiritual light. In theology, divine light (also called divine radiance or divine refulgence) is an aspect of divine presence perceived as light during a theophany or vision, or represented as such in allegory or metaphor.
Cyanopsia. Cyanopsia is a medical term for seeing everything tinted with blue. It is also referred to as blue vision. Cyanopsia often occurs for a few days, weeks, or months after removal of a cataract from the eye. Cyanopsia also sometimes occurs as a side effect of taking sildenafil, tadalafil, or vardenafil. [1]
Iridescence. Iridescence in soap bubbles. Iridescence (also known as goniochromism) is the phenomenon of certain surfaces that appear gradually to change colour as the angle of view or the angle of illumination changes. Iridescence is caused by wave interference of light in microstructures or thin films. Examples of iridescence include soap ...
The carnelian is a siliceous stone and a species of chalcedony. Its colour is a flesh-hued red, varying from the palest flesh-colour to a deep blood-red. It is of a conchoidal structure. Normally its colour is without clouds or veins; but sometimes delicate veins of extremely light red or white are found arranged much like the rings of an agate.
In optics, violet is a spectral color (referring to the color of different single wavelengths of light), whereas purple is the color of various combinations of red and blue (or violet) light, some of which humans perceive as similar to violet. In common usage, both terms are used to refer to a variety of colors between blue and red in hue.
It’s not the only color for a cause. Purple probably won’t be the only porch light color you’ll see. People use red porch lights to highlight women’s heart health. And blue porch lights ...
"A progressive blood disorder in which the lymphatic system actually attacks the red blood cells, mistaking them for an invading virus. It is very rare. As the disease progresses, the lining of the cells become weakened to the point where they can no longer oxygenate the body, this of course, includes the brain."
The symbolism of violet, blue, white, green, red, gold, black, rose and other colours may serve to underline moods appropriate to a season of the liturgical year or may highlight a special occasion. There is a distinction between the colour of the vestments worn by the clergy and their choir dress , which with a few exceptions does not change ...