A number of countries do: The Seychelles and also the Central African Republic.
blue and white or green and yellow
Brazil has a flag that features green, yellow, and blue. The flag consists of a green field with a yellow diamond shape in the center, which contains a blue globe with 27 white stars and a white band displaying the national motto "Ordem e Progresso." These colors symbolize the country's lush landscapes, wealth, and sky.
Red+blue = purple Blue+yellow=green Yellow+red=orange Blue+green=blue-green Green+yellow=light green Red+green=brown Red+white=pink Black+white =gray
The actual cube without the colored squares is black. Other than that, the cube has 6 colored sides:RedBlueGreenWhiteOrangeYellow
There are green hosta, blue (blue-green) hosta, yellow hosta, and even white hosta. There are hosta with white or yellow markings on green leaves.
The Brazilian flag is blue, green, and yellow with white stars.
dark green and white or yellow and blue
Red green yellow blue
Red, Orange, Green, Blue, White, and Yellow. Usually red is opposite orange, green is opposite blue, and yellow is opposite white.
It depends on the color you want to make...For example, red + blue = purple yellow + red = orange red + white = pink green + yellow = blue yellow + blue = green
Mix in some yellow. If you add enough, it should look lik a dark, mucky, green. Blue+yellow=green Blue+red=purple Blue+yellow=green+red=dark mucky green
That will depend on the style and school that you go to. In general the colors are white, yellow, green, brown and black, but there are various grades in between and many have added additional ranks.