those colors make gold
These colours will create a lighter brown with a yellow tinge to it. Adding yellow to brown is how most artists will lighten the shade of brown they are looking for.
You can't, red yellow and blue will make a dark brown though.
yellow
The color of the papyrus plant is mixed color of yellow, white and green. The color of papyrus paper is a mixed colour of white, yellow and brown.
You can't make the color yellow, as it is a primary color.
A tint (adding white) of a yellow golden brown.
white and yellow
brown
brown
Blue and yellow
Green can be mixed with the color as can yellow to make brown.
Red and green are mixed to get the color yellow (and to get the colors orange and brown).