Lighting arrangement for decorative lighting

A lighting arrangement, comprising:

• an optical element in the form of a rod comprising a translucent material, wherein the optical element elongates along a first axis, A, and
• at least one array of light emitting diodes, LEDs,
• wherein each array of the at least one array of LEDs comprises at least two adjacently arranged rows of LEDs, wherein each row of LEDs comprises sequentially arranged LEDs configured to emit light being of the same color in the row, the color being different to a color of the light configured to be emitted by the LEDs of any of the other rows,
• wherein each array of the at least one array of LEDs is arranged on an outer surface of the optical element and arranged in a spiral shape around the optical element, and
• wherein the LEDs face toward the optical element are arranged to emit said light through the optical element for being influenced by the optical element upon passage of the light through the optical element.