Cloud

\documentclass[border=4pt]{standalone}

% --- packages (mirror these in cloud.meta.json "requires") ---
\usepackage{tikz}

% --- palette (canonical source: reference/color-palettes/color-palettes.md; light variant) ---
\definecolor{otblue}{HTML}{0072B2}
\definecolor{otorange}{HTML}{E69F00}
\definecolor{otteal}{HTML}{009E73}
\definecolor{otpurple}{HTML}{CC79A7}
\definecolor{otgray}{HTML}{5A5A5A}

\begin{document}
\begin{tikzpicture}[line width=0.9pt]
  % smooth cloud silhouette: four rounded bumps over a flat base
  \filldraw[draw=otblue!75!black, fill=otblue!15]
    (-1.5,-0.4)
    .. controls (-2.25,-0.4) and (-2.20,0.65) .. (-1.35,0.70)
    .. controls (-1.45,1.45) and (-0.15,1.55) .. (0.15,0.95)
    .. controls (0.55,1.65) and (1.85,1.50) .. (1.80,0.70)
    .. controls (2.55,0.72) and (2.45,-0.40) .. (1.65,-0.40)
    -- cycle;
\end{tikzpicture}
\end{document}