• The colour green can be made by simply mixing yellow and blue pigments together. In optical colour mixing, the artist places random dots of yellow and blue close to/beside each other which enables the viewer’s eyes to visually mix the two colours to create the desired green. 
  • This painting is an example of optical colour mixing. It is also known as retinal fusion.
  • The result of optical colour mixing leads to a more stunning visual effect that appears as a more intense colour than if the artist had used the intended colour of paint in the first place.
  • For example, this effect can also be created by underpainting a coat of yellow and lightly applying a coat of blue over it - the end result is a brilliant green. This process is often done in watercolour painting, where the paint is so sheer that there is a need to intensify it.
Colour Image Six

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