documentclass[margin=3.14mm]{standalone}
usepackage{tikz}
usepackage{contour}
contourlength{1pt}
tikzset{mynode/.style args={#1 | #2}{midway,%
        node contents={contour{white}{textcolor{#1}{#2}}},%
        font=small,inner sep=0pt}}
usetikzlibrary{calc,patterns}
begin{document}
    begin{tikzpicture}
    draw[pattern=north west lines,pattern color=blue] (0,0) rectangle (3,1)
    node[mynode=blue |Blue];
    draw[pattern=vertical lines] (2,0) rectangle (5,1)
    node[mynode=black | Black];
    draw[pattern=horizontal lines,pattern color=yellow]
    (0:2cm) -- (0:3cm)
    arc (0:105:3cm) -- (105:2cm) node[mynode=yellow |Hello]
    arc (105:0:2cm) -- cycle;
    draw[pattern=north east lines,pattern color=red] (1,0) -- (0,0)
    arc (180:120:2cm) -- (120:1cm) node[mynode=red| red]
    arc (120:180:1cm) -- cycle;
    end{tikzpicture}
end{document}