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what is the off-white colours ?

Shades of white are colors that differ only slightly from pure white. Variations of white include what are commonly termed off-white colors, which may be considered part of a neutral color scheme.

In color theory, a shade is a pure color mixed with black (or having a lower lightness). Strictly speaking, a "shade of white" would be a neutral gray. This article is also about off-white colors that vary from pure white in hue, and in chroma (also called saturation, or intensity).

Colors often considered "shades of white" include, cream, eggshell, ivory, Navajo white, and vanilla. Even the lighting of a room, however, can cause a pure white to be perceived as off-white.[1]

Off-white colors were pervasively paired with beiges in the 1930s,[2] and especially popular again from roughly 1955 to 1975.[3]

Whiteness measures the degree to which a surface is white in colorimetry.

Below is a chart showing the computer web color shades of white. An achromatic white is a white color in which the red, green, and blue codes are exactly equal. The web colors white and white smoke are achromatic colors. A chromatic shade of white is a white color in which the red, green, and blue codes are not exactly equal, but are close to each other, which is what makes it a shade of white.

HTML color name    Sample    Hex triplet
   (rendered by name)    (rendered by hex triplet)

White          #FFFFFF
Whitesmoke       #F5F5F5
Snow          #FFFAFA
Honeydew       #F0FFF0
Mintcream       #F5FFFA
Azure          #F0FFFF
Aliceblue          #F0F8FF
Ghostwhite       #F8F8FF
Seashell          #FFF5EE
Beige          #F5F5DC
Oldlace          #FDF5E6
Floralwhite       #FFFAF0
Ivory          #FFFFF0
Antiquewhite       #FAEBD7
Linen          #FAF0E6
Lavenderblush    #FFF0F5

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