Question

How is achromatic colour harmony different from triadic colour harmony?

Answer 1

Sr. No.	Achromatic colour harmony	Triadic colour harmony
1.	It uses only neutral colours such as black, white, and grey.	It uses three colours that are equally spaced on the colour wheel.
2.	It does not include hues and depends mainly on lightness and darkness (values).	It includes definite hues and depends on balancing the three colours in proper proportion.
3.	It gives a simple, calm, and formal appearance.	It gives a bright, lively, and vibrant appearance.
4.	Example: black–white–grey combination.	Example: a red–yellow–blue or orange–green–violet combination.