\documentclass{article}
\usepackage{multicol}
\usepackage{colordvi}
\usepackage{fullpage}
\pagestyle{empty}

\begin{document}
\parindent=0cm
\huge
\begin{center}
\underline{Colours Available in \texttt{colordvi}}
\end{center}

\vspace{1cm}

\begin{multicols}{3}
\GreenYellow{GreenYellow}\\
\Yellow{Yellow}\\
\Goldenrod{Goldenrod}\\
\Dandelion{Dandelion}\\
\Apricot{Apricot}\\
\Peach{Peach}\\
\Melon{Melon}\\
\YellowOrange{YellowOrange}\\
\Orange{Orange}\\
\BurntOrange{BurntOrange}\\
\Bittersweet{Bittersweet}\\
\RedOrange{RedOrange}\\
\Mahogany{Mahogany}\\
\Maroon{Maroon}\\
\BrickRed{BrickRed}\\
\Red{Red}\\
\OrangeRed{OrangeRed}\\
\RubineRed{RubineRed}\\
\WildStrawberry{WildStrawberry}\\
\Salmon{Salmon}\\
\CarnationPink{CarnationPink}\\
\Magenta{Magenta}\\
\VioletRed{VioletRed}\\
\Rhodamine{Rhodamine}\\
\Mulberry{Mulberry}\\
\RedViolet{RedViolet}\\
\Fuchsia{Fuchsia}\\
\Lavender{Lavender}\\
\Thistle{Thistle}\\
\Orchid{Orchid}\\
\DarkOrchid{DarkOrchid}\\
\Purple{Purple}\\
\Plum{Plum}\\
\Violet{Violet}\\
\RoyalPurple{RoyalPurple}\\
\BlueViolet{BlueViolet}\\
\Periwinkle{Periwinkle}\\
\CadetBlue{CadetBlue}\\
\CornflowerBlue{CornflowerBlue}\\
\MidnightBlue{MidnightBlue}\\
\NavyBlue{NavyBlue}\\
\RoyalBlue{RoyalBlue}\\
\Blue{Blue}\\
\Cerulean{Cerulean}\\
\Cyan{Cyan}\\
\ProcessBlue{ProcessBlue}\\
\SkyBlue{SkyBlue}\\
\Turquoise{Turquoise}\\
\TealBlue{TealBlue}\\
\Aquamarine{Aquamarine}\\
\BlueGreen{BlueGreen}\\
\Emerald{Emerald}\\
\JungleGreen{JungleGreen}\\
\SeaGreen{SeaGreen}\\
\Green{Green}\\
\ForestGreen{ForestGreen}\\
\PineGreen{PineGreen}\\
\LimeGreen{LimeGreen}\\
\YellowGreen{YellowGreen}\\
\SpringGreen{SpringGreen}\\
\OliveGreen{OliveGreen}\\
\RawSienna{RawSienna}\\
\Sepia{Sepia}\\
\Brown{Brown}\\
\Tan{Tan}\\
\Gray{Gray}\\
\Black{Black}\\
\White{White}\\
\end{multicols}
\end{document}