Discussion of colour in Islam reveals a lot of disagreement – some colours appear to be recommended or forbidden in clothing (differently for women and men) but there may be different views expressed between Quran itself and Hadith, also between different sects in Islam. Other colours have cultural roots in the different countries in which Islam […]
This mixture of red and blue stands out as being the most elusive of colours. Many people have great difficulty in distinguishing pure violet, a difficulty further compounded in photography by the problems of recording it (dye response in some films and papers is particularly unsuccessful). Pure violet is the darkest colour. When lighter it […]
Orange is the mixture of yellow and red and absorbs some of the qualities of both. It is brilliant and powerful when pure and, since yellow radiates light and red radiates energy, it is a colour very much associated with radiation. When lighter, tending towards beige, or darker, tending towards brown, it has a neutral […]
Green has the widest range of distinguishable effects. Although of medium brightness, it is the most visible of colours to the human eye. Green is the colour of growth, yellow-green has spring-like associations with youth.
Source: Wikipedia – Black What is Black: Physics and Optics Black is the darkest color, the result of the absence or complete absorption of light – the visual impression experienced when no visible light reaches the eye. Black is often used to represent darkness; it is the symbolic opposite of white (or brightness). Like white and grey, it is […]
What is Red? Physics and optics Red is the colour at the longer-wavelengths end of the spectrum of visible light next to orange, at the opposite end from violet. Red colour has a predominant light wavelength of roughly 620–740 nanometers. Light with a longer wavelength than red but shorter than terahertz radiation and microwave is called […]
Source: Wikipedia Blue and links therefrom What is Blue? Physics and Optics Blue is the colour between violet and green on the optical spectrum of visible light. Human eyes perceive blue when observing light with a wavelength between 450 and 495 nanometres. Blues with a higher frequency and thus a shorter wavelength gradually look more violet, while […]