These colours can be made mixing the primary colours together.. The tertiary colours in the colour wheel sit between a primary colour and a secondary colour. They are the six 'in-between' colours.

Intermediate colors, otherwise known as tertiary colors, are born from the mix of neighboring primary colors and secondary ...

Secondary colors are the result of mixing two primary colors. For example, yellow and blue make green. And finally, tertiary colors are a mix of primary and secondary colors, like blue-green or ...