The first use of "light blue" as a color term in English is in the year 1915. In Russian and some other languages, there is no single word for blue, but rather different words for light blue (, ) and dark blue (, ). The Ancient Greek word for a light blue, , also could mean light green, gray, or yellow. In Modern Hebrew, light blue, () is differentiated from blue, (). In Modern Greek, light blue, () is also differentiated from blue, (). Variations Light blue (Crayola) Displayed at the right is the color that is called "light blue" in Crayola crayons. It was only available in 1958. Light blue in human culture Cartography In historical atlases published in Germany, light blue is traditionally used as a color to represent Germany, as opposed to pink for England, purple for France, and light green for Russia. Heraldry and flags Bleu celeste (sky blue) is a non-standard tincture in heraldry and vexillology. The national flags of Argentina, the Bahamas, Botswana, Fiji, Guatemala, Kazakhstan, Micronesia, Palau, Somalia, and Tuvalu all have light blue as a dominant color. Gender In modern Western culture, gender norms for colours are that light blue is commonly used to represent boys as opposed to the color pink, which is used to represent girls (but see the counterexamples at List of historical sources for pink and blue as gender signifiers). Interior design The color light blue is commonly regarded as calming and relaxing. Because of this, it is sometimes used to paint hospital rooms. Since the color light blue reminds many people of water (although the actual color of water is cyan), light blue is a popular color for painting bathrooms or for porcelain bathroom fixtures. School colors Cambridge Blue is a shade of light blue adopted by the University of Cambridge, in contrast with the University of Oxford which has adopted a dark shade of blue (Oxford Blue). Religion In Hinduism, Shiva, the Destroyer, is depicted in light blue tones and is called neela kantha, or blue-throated, for having swallowed poison in an attempt to turn the tide of a battle between the gods and demons in the gods' favor. In Christianity, light blue represents the sin of sloth. Sexuality In Russian, pink (, ) is used to refer to lesbians, and light blue (, ) refers to gay men. Other , a light blue, is the