[SUBJECT] as a Solarized Silhouette against a vibrant, high-contrast background. The subject itself is entirely in shadow, defined by its outline against the backdrop of [COLOR1] and [COLOR2]

Examples A mountain biker as a Solarized Silhouette against a vibrant, high-contrast background. The subject itself is entirely in shadow, defined by its outline against the backdrop of hot pink and teal --ar 3:2 --v 7.0

Lighthouse as a Solarized Silhouette against a vibrant, high-contrast background. The subject itself is entirely in shadow, defined by its outline against the backdrop of golden-yellow and royal-purple --ar 3:2 --v 7.0