Hue is one of the main properties (called color appearance parameters) of a color, defined technically (in the CIECAM02 model), as "the degree to which a stimulus can be described as similar to or different from stimuli that are described as red, green, blue, and yellow" (the unique hues). Orange and violet (purple) are the other hues, for a total of six, as in the rainbow: red, orange, yellow, green, blue, violet. The other color appearance parameters are colorfulness, chroma, saturation, lightness, and brightness.

Usually, colors with the same hue are distinguished with adjectives referring to their lightness and/or colorfulness, such as with "light blue", "pastel blue", "vivid blue". Exceptions include brown, which is a dark orange, and pink, a light red with reduced chroma.

In painting color theory, a hue refers to a pure color—one without tint or shade (added white or black pigment, respectively). A hue is an element of the color wheel. Hues are first processed in the brain in areas in the extended V4 called globs.

Huế ( listen) Northern accent [hwe˧˥] is the capital city of Thừa Thiên–Huế Province, Vietnam. Between 1802 and 1945, it was the country's imperial capital under the Nguyễn dynasty.

History

Nguyễn lords

Huế originally rose to prominence as the capital of the Nguyễn lords, a feudal dynasty that dominated much of southern Vietnam from the 17th to the 19th century. In 1775 when Trịnh lord Trịnh Sâm captured it, it was known as Phú Xuân.

Nguyễn dynasty

In 1802, Nguyễn Phúc Ánh (later Emperor Gia Long) succeeded in establishing his control over the whole of Vietnam, thereby making Huế the national capital.

Minh Mạng (r. 1820-40) was the second emperor of the Nguyễn Dynasty, reigning from 14 February 1820 (his 29th birthday) until his death, on 20 January 1841. He was a younger son of Emperor Gia Long, whose eldest son, Crown Prince Cảnh, had died in 1801. Minh was well known for his opposition to French involvement in Vietnam, and for his rigid Confucian orthodoxy.

Huế was the national capital until 1945, when Emperor Bảo Đại abdicated and a communist DRV government was established with its capital at Hà Nội (Hanoi), in the north.

Hue is a board wargame first published in 1973 by Simulations Design Corporation in Conflict #6 and again in 1977 as Battle for Hue, and subsequently published by Mayfair Games in 1982 under the one-word title. It is a Vietnam War-era tactical-level game set in Huế, the capital of a Vietnamese province.

In January and February 1968, the North Vietnamese Army (NVA) and the Viet Cong (VC) battled the 1st Division of the Army of the Republic of Vietnam (ARVN) and elements of the United States Marine Corps (USMC).

In the battle for Huế, a medieval city was attacked with modern weapons. The attackers were armed with fully automatic weapons but still had to contend with moats and walls, making it "a combination of World War II street fighting and medieval siege warfare", according to the game's introduction.

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