... CE/ROHSHow to Choose and Where to Use CFLs/Spiral Compact Fluorescent Eco Electronic Solar Lighting BulbsCFLs provide the greatest savings in ... package. Look for one with comparable lumens to the bulb you're replacing.Manufacturers suggest replacing a 60-watt incandescent ... confuse brightness with colorThe yellowness, blueness, or whiteness of a bulb's light is measured by its temperature, in kelvins. ...