Hue, Lightness and Chroma

Video exported from a powerpoint from my workshops “Colour, Light and Vision“ (Julian Ashton Art School, Sydney) and “Understanding and Applying Colour“ (National Art School Public Programs). The concept of a space of object colours with dimensions of hue, lightness ( = value, tone) and chroma is an excellent place to begin a course of modern colour theory for painters. The individual dimensions are already to familiar to most students, and it leads naturally to discussion of each dimensions in turn (what are they perceptions of? what scales do we use to describe them in traditional and digital painting?) and then to the practical applications of this framework for understanding colour relationships and “colour mixing“ in paints. With this framework established one can then “zoom out“ to topics like the basics of colour vision (which leads into the why of “colour mixing“: additive and then subtractive mix