Or he is partly color blind. Had a friend that could only see a little the difference between honey and a green dish washing soap.That the color reproduction on your TV is off.
If it isn't green, it should be red. Red suggests that your dish isn't pointed all that well or the LNB is failing. You might visit the System Info screen and see what it says.
If you value your HD programming, waste no time getting this addressed.
When i do a check switch i get 110 119 in green but the 129 comes up in orange what does that mean