\documentclass[
fontsize=12pt,
paper=a4,
fromalign=right,
fromemail=true,
fromphone=false,
fromrule=false,
addrfield=true,
backaddress=true,
foldmarks=true,
parskip=half,
subject=beforeopening,
firstfoot=false,
enlargefirstpage=true
]{scrlttr2}

\usepackage[english]{babel}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{lmodern}
\usepackage{xcolor}
\usepackage{graphicx}
\usepackage[hidelinks]{hyperref}

% Fonts: Requires LuaLaTeX or XeLaTeX
\usepackage{fontspec}

\setmainfont[
Path = ./SourceSans3/static/,
Extension = .ttf,
UprightFont = SourceSans3-Regular,
ItalicFont = SourceSans3-Italic,
BoldFont = SourceSans3-SemiBold
]{Source Sans 3}

\setsansfont[
Path = ./SourceSans3/static/,
Extension = .ttf,
UprightFont = SourceSans3-Regular,
ItalicFont = SourceSans3-Italic,
BoldFont = SourceSans3-SemiBold
]{Source Sans 3}

\definecolor{accent}{HTML}{7A6C46}


% Sender information
\setkomavar{fromname}{John Doe}
\setkomavar{fromaddress}{123 Example Street\\Springfield, NY 12345\\United States}
\setkomavar{fromemail}{john.doe@example.com}

% Letter information
\setkomavar{place}{Springfield}
\setkomavar{date}{\today}

\setkomavar{subject}{\textbf{Sample Letter Subject}}

\setkomavar{signature}{
	\includegraphics[width=4cm]{images/signature.png}\hspace{1em}\\
	John Doe
}

\setkomafont{fromname}{\bfseries}
\setkomafont{subject}{\large\bfseries}

\begin{document}
	
	\begin{letter}{
			Example Company Ltd.\\
			456 Business Avenue\\
			Suite 200\\
			New York, NY 10001\\
			United States
		}
		
		\opening{Dear Sir or Madam,}
		
		Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
		
		Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
		
		Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
		
		\closing{Yours sincerely,}
		
	\end{letter}
	
\end{document}