You take a blue light and a green light, then put them to gather to get yellow. Or squeeze lemon juice out of lemons.
Yellowish brown and white will make a lighter yellowish brown color. White lightens colors, but doesn't change the hue. It may make it easier to see the yellow undertones when the color is lighter.
Chysolyte's Color- A light, golden-yellowish color.
The color yellowish pink is called Straw
A yellowish pink color is typically called peach.
Somewhat yellow; as, amber is of a yellowish color.
It creates more of a yellowish effect
The colors tan and yellow make yellowish tan color. However the exact color would depend on which is the primary base color.
They are a yellowish color on the outside.
Example sentence - His sweater was yellowish in color.
Yellowish
I recommend black, to go with yellowish brown.
...Yellowish-White...brown