% Inspired by https://www.reddit.com/r/LaTeX/comments/hov6pw/tikz_cover_page_code_and_link_1st_comment/
\documentclass{article}
\usepackage[dvipsnames]{xcolor}
\usepackage{tikz}
\usetikzlibrary{ shapes.geometric }
\usetikzlibrary{calc}
\usepackage{anyfontsize}
\begin{document}
\pagestyle{empty}

\begin{tikzpicture}[remember picture,overlay]

%%%%%%%%%%%%%%%%%%%% Background %%%%%%%%%%%%%%%%%%%%%%%%
\fill[Dandelion] (current page.south west) rectangle (current page.north east); \foreach \i in
{100,95,...,15}{
	%\node[fill=Dandelion!\i,draw=none,star, minimum size=\i cm,thick] at (current page.east){};
	%\node[fill=Dandelion!\i,draw=none,star, minimum size=\i cm,thick] at (current page.west){};
	%\node[fill=Dandelion!\i,draw=none,star, minimum size=\i cm,thick] at (current page.north){};
	%\node[fill=Dandelion!\i,draw=none,star, minimum size=\i cm,thick] at (current page.south){};
	%\node[fill=Dandelion!\i,draw=none,star, minimum size=\i cm,thick] at (current page.center){};
	\node[fill=Dandelion!\i,draw=none,star, minimum size=\i cm,thick] at ($(current page.north
east)+(-7,-11)$){}; }
%%%%%%%%%%%%%%%%%%%%% Title of the Report %%%%%%%%%%%%%%%%%%%%
%
\node[left,black,minimum width=0.625*\paperwidth,minimum height=3cm, rounded corners] at ($(current
page.north east)+(0,-9.5)$) { {\fontsize{25}{30} \selectfont \bfseries TITLE OF THE REPORT} };
%
%%%%%%%%%%%%%%%%%%%%% Subtitle %%%%%%%%%%%%%%%%%%%%
\node[left,black,minimum width=0.625*\paperwidth,minimum height=2cm, rounded corners] at ($(current
page.north east)+(0,-11)$) { {\huge \textit{Subtitle of the Report}} };
%
%%%%%%%%%%%%%%%%%%%%% Author Name %%%%%%%%%%%%%%%%%%%%
%
\node[left,black,minimum width=0.625*\paperwidth,minimum height=2cm, rounded corners] at ($(current
page.north east)+(0,-13)$) {

{\Large \textsc{Author Name}} };
%
%%%%%%%%%%%%%%%%%%%%% Year %%%%%%%%%%%%%%%%%%%%
%
%\node at ($(current page.south east)+(-2.5,+2.5)$) {\LARGE \bfseries 2020};
\node[rounded corners,fill=Dandelion,text =black,regular polygon,regular polygon sides=6, minimum
size=2.5 cm,inner sep=0,ultra thick] at ($(current page.south east)+(-2.5,+2.5)$) {\LARGE \bfseries
2020};

\end{tikzpicture}

\end{document}