This manuscript introduces a simple, intuitive framework for representing marine cloud morphology in satellite imagery, replacing discrete cloud classifications with a continuum of cloud albedo, cloud fraction, and cloud water among three optical depth classes. Using this framework, the study shows that the frequency-weighted net susceptibility of cloud albedo to changes in droplet number concentration is small. This important result points to valuable new tools for evaluating climate intervention strategies aimed at marine cloud brightening by increasing aerosol concentrations, and suggests that they may have limited impact.