Table of Contents
Color - Blue
About
blue
is:
a
hue
color (chromatic)
a
pure
color
(without additive)
one of the
percepted human colors
.
is used as
primary
color:
coordinate in a
colorspace
(for instance the
rgb colorspace
)
in a
rgb
wheel
located at 450 nm on the
visual spectrum
before
violet
on the
visual spectrum
after
cyan
on the
visual spectrum
one of the lowest wavelength on the
visual spectrum
(has therefore a lot of dispersion and this is why the sky is blue/violet)
located at 240 degree in a
rgb additive color wheel
used mostly in a
additive color model
- ie with light (screen, monitor,…) and not with pigment (painting, printing, inking)
coupled with this
emotions
: calm, trust, competence, peace, logic, reliability
is a
cool color
The
complementary color
of blue is
yellow
.