White Brown Black Gold — 91 Ω

Read left to right, starting from the end where the bands are grouped. The gold band is the tolerance and always sits alone at the far end.

What each band says

In a circuit

Surface-mount marking for the same value: 910.

If you misread one band

Brown and red, or orange and red, are easy to confuse under a desk lamp. These are the codes one band away from this one.

• Brown Brown Black11 Ω
• Red Brown Black21 Ω
• Orange Brown Black31 Ω
• Yellow Brown Black41 Ω
• Green Brown Black51 Ω
• Blue Brown Black61 Ω
• Violet Brown Black71 Ω
• Grey Brown Black81 Ω