Resistor Colour Code Calculator Resistor Colour Code Calculator (4 Band) Band 1 (1st Digit): Select Color Brown (1) Red (2) Orange (3) Yellow (4) Green (5) Blue (6) Violet (7) Grey (8) White (9) Band 2 (2nd Digit): Select Color Black (0) Brown (1) Red (2) Orange (3) Yellow (4) Green (5) Blue (6) Violet (7) Grey (8) White (9) Band 3 (Multiplier): Select Color Black (x1) Brown (x10) Red (x100) Orange (x1k) Yellow (x10k) Green (x100k) Blue (x1M) Violet (x10M) Grey (x100M) White (x1G) Gold (x0.1) Silver (x0.01) Band 4 (Tolerance): Select Color Brown (±1%) Red (±2%) Green (±0.5%) Blue (±0.25%) Violet (±0.1%) Grey (±0.05%) Gold (±5%) Silver (±10%) None (±20%)
