Strange error

why would one get such an error?


**Error** Scene=Scene 1, layer=Layer 1, frame=1:Line 20: Syntax error.
     colorArray2[2] = 7f7f7f; // grey

**Error** Scene=Scene 1, layer=Layer 1, frame=1:Line 25: Syntax error.
     colorArray2[7] = 0000ff; // blue

**Error** Scene=Scene 1, layer=Layer 1, frame=1:Line 26: Syntax error.
     colorArray2[8] = 00ff00; // green

**Error** Scene=Scene 1, layer=Layer 1, frame=1:Line 31: Syntax error.
     var grey = 7f7f7f;

**Error** Scene=Scene 1, layer=Layer 1, frame=1:Line 36: Syntax error.
     var blue = 0000ff;

**Error** Scene=Scene 1, layer=Layer 1, frame=1:Line 37: Syntax error.
     var green = 00ff00;

Total ActionScript Errors: 6      Reported Errors: 6

what is the matter with the blue, grey and green colors that i dont know about?

thx

edit: found http://www.kirupa.com/developer/actionscript/tricks/randomcolor.htm
But still, whats with the weird errors?