Apple has not released a dark grey version of its logo. The company's logo is a simple apple shape with a shiny metallic finish, and it is available in a range of colors, including silver, gold, and rose gold. The logo is used on a variety of Apple products, including iPhones, iPads, Macs, and other devices, as well as on the company's packaging, marketing materials, and other branding.
If you are looking for a dark grey version of the Apple logo, you may be able to find a digital version of the logo online or create your own using design software. However, it is important to note that Apple's logo is a protected trademark and should not be used without permission. If you are interested in using the Apple logo in any way, you should contact the company for permission and guidelines.