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}
  % Solid flat cloud: a flat rounded base plus overlapping bumps, all the same
  % fill so the union reads as one seamless silhouette (modern flat-icon style).
  % A clip keeps the bottom edge straight where the bumps overhang the base.
  \begin{scope}
    \clip (-1.55,-0.45) rectangle (1.9,1.3);
    \fill[otblue, rounded corners=0.4cm] (-1.25,-0.45) rectangle (1.7,0.35);
    \fill[otblue] (-0.8,0.02) circle[radius=0.5];   % left bump
    \fill[otblue] (-0.1,0.42) circle[radius=0.55];  % center-left bump
    \fill[otblue] (0.65,0.18) circle[radius=0.72];  % big center-right bump
    \fill[otblue] (1.25,-0.04) circle[radius=0.46]; % right bump
  \end{scope}
\end{tikzpicture}
\end{document}