Define Special Colour Showing Up Wrong in Personalize

I defined the custom colour as ffffc5 which is supposed to be a really pale yellow as seen here

But instead, it looks like this:


I figure it could be from Windows using ABGR instead of the RGB I used to get these colours from Paint, but how could that change the hexadecimal code I translated it to?

ZomBrony said:

I defined the custom colour as ffffc5 which is supposed to be a really pale yellow as seen here

But instead, it looks like this:


I figure it could be from Windows using ABGR instead of the RGB I used to get these colours from Paint, but how could that change the hexadecimal code I translated it to?

Enter the value as C5FFFF