Setting - Editor - Color Scheme - Android Logcat Log principle is five range. Log.□ ( " tag " , " message " ) Log.v Log.i Log.d Log.w Log.e ↓ down n down more stronger important Log content v : Verbose : black i : Information : green d : Debug : blue w : Warning : yellow e : Error : red RGB (near recommend color) Debug (Blue) 0096BB Error (Red) FF6B68(default) Info (Green) 73BB6A Verbose(White) ..