ocr: Colour Band 1 Band 2 Band 3 Band 4 Black 0 0 None Brown 0 1% Red 00 27 Urange 000 34 Yellow 0 000 4% Green 00 000 Blue 000 000 Violet - 0000 - 000 Grey White 9 9 Gold 0.1 5% Silver 0.01 18% No Colour 20% Example 1 - Band 1 = Red 2 Resistor Value Band 2 - Red 2 2200 ohms Band 3 = Red 00 2k2a +18% -Band 4 = Silver 18%