The process of reducing the viscosity of acrylic-based colors is essential for various artistic techniques. Adjusting the consistency alters the paint’s application characteristics, influencing blending, glazing, and detail work. An example involves adding a medium to achieve a wash effect, permitting translucent layers on the canvas.
This modification expands the versatility of the medium. It facilitates smoother brushstrokes, prevents premature drying on the palette, and promotes even coverage. Historically, artists have employed thinning agents to customize paint behavior, adapting it to specific stylistic demands and environmental conditions.