INSIDE PHOTOGRAPHY SEPTEMBER,2017

The
Color
Theory
Colour memory: The human mind
Brightness and adaptation: The
iris of our eyes is just like the
can be lazy at times; rather than
making an effort in analyzing
aperture of a lens which governs
the amount of light through in. In
what we see it gathers
information because it is easier to
dark conditions, once the iris is
fully opened, the eye increases its
do so. If we see an object that
we"know " should be of a
sensitivity to still allow us to see.
This extra sensitivity is controlled
particular colour, then the brain
actually interprets of what exactly
by the rod - shaped cells within
the eye, as a result of which we
we are seeing. For example, when
you
see a picture of a blue sky,
get less and less information from
the colour - sensitive cone-
your brain doesn't necessarily see
the actual colour, because you
shaped cells. As the level of light
drops, our sensitivity to colour
already know what exactly a blue
shifts more towards blue - green
sky should be looking. On the
other hand we notice
the colour
end of the spectrum, until there is
no colour information at all.
of other objects like food or skin
more precisely since these are
areas that, historically, we need to
see specifically.