Resistor Color Code

 

Mnemonic Device:

  • Better Be Ready Or Your Great Big Venture Goes West

Variations:

  • Bill Brown Realized Only Yesterday Good Boys Value Good Work
  • Bad Booze Rots Our Young Guts, But Vodka Goes Well
  • Better Be Ready Or Your Great Big Plan Goes Wrong

Explanation: to remember the color bands on resistors in order of increasing magnitude.

  • Numerically the value (0-9) of a resistor via the color-coded bands:
    • Black (0), Brown (1), Red (2), Orange (3), Yellow (4), Green (5), Blue (6), Violet (purple, 7), Gray (8), and White (9)
  • Also, note that red through violet are the colors of the rainbow (in order). Although the ROY G. BIV mnemonic for rainbow colors includes indigo between blue and violet.

 

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