Complex green is a
compound pigment with components of both iron oxide yellow and phthalocyanine
, the proportion of both materials make up of its colour ranges
from light-green to dark-green.if phthalocyanines are allocated
more than iron oxide yellow, the colour will be more dark,the opposite
way will be moved to light green.Though the colour of iron oxide
green is not bright, but it can resist both alkali and acid,fastness
to light also has excellent hiding powder,a very effective pigment.