With the change to con color code the code to set the background color of the spawninfo window needs to be changed.
In function MobInfo the following code should fix the problem
Code:
if (SetColor) {
int PLevel = PlayerSpawnInfo.Level;
if (si.Level > PLevel + 2)
lblMobInfo.BackColor = System.Drawing.Color.FromArgb(255, 128, 128);
else if (si.Level > PLevel)
lblMobInfo.BackColor = System.Drawing.Color.FromArgb(255, 255, 128);
else if (si.Level == PLevel)
lblMobInfo.BackColor = Color.White;
else if (si.Level > cyanRange)
lblMobInfo.BackColor = System.Drawing.Color.FromArgb(0, 192, 255);
else if (si.Level > greenRange)
lblMobInfo.BackColor = System.Drawing.Color.FromArgb(192, 255, 255);
else
lblMobInfo.BackColor = Color.PaleGreen;