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How Image Tinting Works: Blend Modes and Code Explained for Developers

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A developer behind PXDMD's image tools has published a technical breakdown of how image tinting works, distinguishing it from simple filters by describing it as a three-part recipe of color, blend mode, and strength. The article explains eight commonly used blend modes — including multiply, screen, overlay, and color — and their typical visual effects on photographs. It provides a concise JavaScript function using the browser's Canvas API and globalCompositeOperation to apply a color tint without sending any data to a server. The author notes that a strength value between 35–70% typically yields the best results, and advises desaturating the base image first when aiming for effects like duotones or cyanotypes. The post also includes a reference table of mood-based tint presets and points readers to PXDMD's free browser-based Image Tinter tool for a no-code alternative.

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