Wrong colors - Arduino UNO REV3 and Sunfounder RGB MATRIX

hi koraks, thanks for your reply, the problem is that in any of the programs I tried, iFlag or SimHub (which both are made for simracing) applications, to use for this purpose.

in both iFlag and SimHub, yellow color was light green, basically no yellow LED showing.
and white was light blue color, no white LED showing.

i am just trying to figure out if there is a way for me to correct it, even if i have to dig around either software, their folders and etc. to find out what is happening.

sorry that i am not knowledgeable enough...but willing to learn and get this figured out.