blue wiki:
>For other uses, see Blue (disambiguation) Blue is one of the three primary additive colors; blue light has the shortest wavelength range (about 420-490 nanometers) of the three additive primary colors. The English language commonly uses "blue" to refer to any color from blue to cyan.An example of a blue color in the RGB color space has intensities [0, 0, 255] on a 0 to 255 scale. Blue is the complement of yellow. For this reason, blue 80A filters are used to correct for the excessive redness of tungsten lighting in color photography.Many languages do not have separate terms for blue and green, and in the Swedish language, blå, the modern word for blue, was used to describe black until the early 20th century. The modern English word blue comes from the Middle English, where it began to be used along with bleu, an Old French word of Germanic origin (possibly Old High German blao, "shining"). A Scots and Scottish English word for "blue" is blae, from the Middle English bla ("dark blue", from the Old English blæd).
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grass wiki:
>This article is about plants; for other uses of the term, see Grass (disambiguation) Grass generally describes a monocotyledonous green plant characterized by slender leaves, called blades, which usually grow arching upwards from the ground. Plants that are botanically regarded as "true" grasses fall into the flowering plant family, Poaceae. However, there are other plants outside this plant family that have similar appearance, and are commonly referred to as grasses, or have "grass" as part of their name. These include:China grass, more commonly known as Ramie (Boehmeria nivea), a nettle grown for bast fibres, in the Family UrticaceaeDitch grass or Wigeon grass (Ruppia maritima) in the Family RuppiaceaeFish grass (Cabomba caroliniana), a freshwater aquaticGoosegrass (Galium aparine)Mondo grass or Lily turf (Ophiopogon japonicus), an Asian ornamental ground coverNutgrass, a common lawn pest (Cyperus rotundus) in the Family CyperaceaePepper grasses (Lipidium spp.) in the family BrassicaceaeSawgrass, abundant in sub-tropical marshlands (Cladium spp.) in the Family CyperaceaeScurvy-grass (Cochlearia species) in the Family BrassicaceaeScurvy-grass Sorrel (Oxalis enneaphylla) in the Family OxalidaceaeSeagrasses, including Eel grass (Zostera spp.)"Sleeping grass" (Mimosa pudica) a legume (Family Fabaceae) and lawn weedXyridaceae, known as the yellow-eyed grass family
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