Bekro Neon Yellow Candle Dye - 10g Bag. Scents Soaps and Candles recommend that you use Bekro Neon Yellow Candle Dye at 0.2%. This means that a 10g Neon Yellow candle dye bag will colour approximately 5kg of paraffin wax. Please note that Soy and other vegetable waxes could need additional Neon Yellow dye loading to get that deep colour. The picture of the Bekro Neon Yellow Candle Dye shows an approximate colour of the Neon Yellow dye when used in paraffin wax. The Neon Yellow colour will vary with the wax and additives used. Experimentation is encouraged before you purchase Bekro Neon Yellow candle dye in bulk.