Not really. You should try blue and black.
no
They are colours that do not match
White and beige are a couple of colors that will match a brown duvet. These two colors are the most common types of colors you will find on a brown duvet.
Image > Adjustments > Match Color
test it
zsxc
Blue
Yellow and red!
blue
ColorBlender.com is one
yes opposite colours on the colour whell do match!
White