\documentclass[11pt,a4paper]{article}
\usepackage[T1]{fontenc}
\usepackage{lmodern}
\usepackage[svgnames]{xcolor}
\newcommand\XCBox[1]{\fcolorbox{black}{#1}{\phantom{ll}} \small #1}
\pagestyle{empty}
\parindent=0pt
\begin{document}

\begin{tabular}{@{}llll@{}}
 \XCBox{AliceBlue} &
 \XCBox{AntiqueWhite} &
 \XCBox{Aqua} &
 \XCBox{Aquamarine} \\
 \XCBox{Azure} &
 \XCBox{Beige} &
 \XCBox{Bisque} &
 \XCBox{Black} \\
 \XCBox{BlanchedAlmond} &
 \XCBox{Blue} &
 \XCBox{BlueViolet} &
 \XCBox{Brown} \\
 \XCBox{BurlyWood} &
 \XCBox{CadetBlue} &
 \XCBox{Chartreuse} &
 \XCBox{Chocolate} \\
 \XCBox{Coral} &
 \XCBox{CornflowerBlue} &
 \XCBox{Cornsilk} &
 \XCBox{Crimson} \\
 \XCBox{Cyan} &
 \XCBox{DarkBlue} &
 \XCBox{DarkCyan} &
 \XCBox{DarkGoldenrod} \\
 \XCBox{DarkGray} &
 \XCBox{DarkGreen} &
 \XCBox{DarkGrey} &
 \XCBox{DarkKhaki} \\
 \XCBox{DarkMagenta} &
 \XCBox{DarkOliveGreen} &
 \XCBox{DarkOrange} &
 \XCBox{DarkOrchid} \\
 \XCBox{DarkRed} &
 \XCBox{DarkSalmon} &
 \XCBox{DarkSeaGreen} &
 \XCBox{DarkSlateBlue} \\
 \XCBox{DarkSlateGray} &
 \XCBox{DarkSlateGrey} &
 \XCBox{DarkTurquoise} &
 \XCBox{DarkViolet} \\
 \XCBox{DeepPink} &
 \XCBox{DeepSkyBlue} &
 \XCBox{DimGray} &
 \XCBox{DimGrey} \\
 \XCBox{DodgerBlue} &
 \XCBox{FireBrick} &
 \XCBox{FloralWhite} &
 \XCBox{ForestGreen} \\
 \XCBox{Fuchsia} &
 \XCBox{Gainsboro} &
 \XCBox{GhostWhite} &
 \XCBox{Gold} \\
 \XCBox{Goldenrod} &
 \XCBox{Gray} &
 \XCBox{Grey} &
 \XCBox{Green} \\
 \XCBox{GreenYellow} &
 \XCBox{Honeydew} &
 \XCBox{HotPink} &
 \XCBox{IndianRed} \\
 \XCBox{Indigo} &
 \XCBox{Ivory} &
 \XCBox{Khaki} &
 \XCBox{Lavender} \\
 \XCBox{LavenderBlush} &
 \XCBox{LawnGreen} &
 \XCBox{LemonChiffon} &
 \XCBox{LightBlue} \\
 \XCBox{LightCoral} &
 \XCBox{LightCyan} &
 \XCBox{LightGoldenrodYellow} &
 \XCBox{LightGray} \\
 \XCBox{LightGreen} &
 \XCBox{LightGrey} &
 \XCBox{LightPink} &
 \XCBox{LightSalmon} \\
 \XCBox{LightSeaGreen} &
 \XCBox{LightSkyBlue} &
 \XCBox{LightSlateGray} &
 \XCBox{LightSlateGrey} \\
 \XCBox{LightSteelBlue} &
 \XCBox{LightYellow} &
 \XCBox{Lime} &
 \XCBox{LimeGreen} \\
 \XCBox{Linen} &
 \XCBox{Magenta} &
 \XCBox{Maroon} &
 \XCBox{MediumAquamarine} \\
 \XCBox{MediumBlue} &
 \XCBox{MediumOrchid} &
 \XCBox{MediumPurple} &
 \XCBox{MediumSeaGreen} \\
 \XCBox{MediumSlateBlue} &
 \XCBox{MediumSpringGreen} &
 \XCBox{MediumTurquoise} &
 \XCBox{MediumVioletRed} \\
 \XCBox{MidnightBlue} &
 \XCBox{MintCream} &
 \XCBox{MistyRose} &
 \XCBox{Moccasin} \\
 \XCBox{NavajoWhite} &
 \XCBox{Navy} &
 \XCBox{OldLace} &
 \XCBox{Olive} \\
 \XCBox{OliveDrab} &
 \XCBox{Orange} &
 \XCBox{OrangeRed} &
 \XCBox{Orchid} \\
 \XCBox{PaleGoldenrod} &
 \XCBox{PaleGreen} &
 \XCBox{PaleTurquoise} &
 \XCBox{PaleVioletRed} \\
 \XCBox{PapayaWhip} &
 \XCBox{PeachPuff} &
 \XCBox{Peru} &
 \XCBox{Pink} \\
 \XCBox{Plum} &
 \XCBox{PowderBlue} &
 \XCBox{Purple} &
 \XCBox{Red} \\
 \XCBox{RosyBrown} &
 \XCBox{RoyalBlue} &
 \XCBox{SaddleBrown} &
 \XCBox{Salmon} \\
 \XCBox{SandyBrown} &
 \XCBox{SeaGreen} &
 \XCBox{Seashell} &
 \XCBox{Sienna} \\
 \XCBox{Silver} &
 \XCBox{SkyBlue} &
 \XCBox{SlateBlue} &
 \XCBox{SlateGray} \\
 \XCBox{SlateGrey} &
 \XCBox{Snow} &
 \XCBox{SpringGreen} &
 \XCBox{SteelBlue} \\
 \XCBox{Tan} &
 \XCBox{Teal} &
 \XCBox{Thistle} &
 \XCBox{Tomato} \\
 \XCBox{Turquoise} &
 \XCBox{Violet} &
 \XCBox{Wheat} &
 \XCBox{White} \\
 \XCBox{WhiteSmoke} &
 \XCBox{Yellow} &
 \XCBox{YellowGreen}% 		147 colors
 \end{tabular}


\end{document}