Error when using defining colour

Question

Currently I am using beamer slides how ever I found the template where I am understanding how we can write fonts with different colour but to define colour I have used the codes like this

\newcommand\red[1]{{\color{red}#1}}
\newcommand\violet[1]{{\color{violet}#1}}
\newcommand\green[1]{{\color{OliveGreen}#1}}
\newcommand\blue[1]{{\color{blue}#1}}

However I am getting the error when debugging the error I got to know that I have used a package

\usepackage[usenames,dvipsnames]{pstricks}

I don't want to remove this package can you please some one suggest me how I will not get any error.

Answer 1

May be it can help site with colors http://latexcolor.com/

\documentclass{beamer}
\usetheme{CambridgeUS}

\definecolor{camel}{rgb}{0.76, 0.6, 0.42}
\definecolor{applegreen}{rgb}{0.55, 0.71, 0.0}
\definecolor{apricot}{rgb}{0.98, 0.81, 0.69}
\definecolor{aqua}{rgb}{0.0, 1.0, 1.0}
\definecolor{aquamarine}{rgb}{0.5, 1.0, 0.83}
\definecolor{brightgreen}{rgb}{0.4, 1.0, 0.0}


\newcommand{\bluetext}[1]{\textcolor{camel}{#1} }
\newcommand{\mycolor}[2]{\textcolor{#1}{#2} }


\begin{document}

\begin{frame}{Example}
\bluetext{Here is example of colored text}\\
\mycolor{applegreen}{color - Applegreen}\\
\mycolor{aqua}{color - aqua}\\
\mycolor{apricot}{color - apricot}\\
\mycolor{aquamarine}{color - aquamarine}\\
\mycolor{brightgreen}{color - brightgreen}\\

\end{frame}

\end{document}