Emmaline paints a lovely cyan sky in her picture.
a) What type of colour theory is used in this scenario?
b) describe how her brain identifies that she is viewing the colour cyan?
a) The type of colour theory used in this scenario is the subtractive colour theory.
b) Emmaline's brain identifies the colour cyan by combining the primary colours of red, green, and blue. When these three colours are combined, they create the colour cyan.