Your skin color will be absorbing the laser energy as well as the tattoo ink. The darker you are, the more melanin you have. This also absorbs the laser energy in addition to the tattoo ink.
It is possible to remove your tattoo, except that you may very likely require more sessions when compared to someone with a lighter skin tone since I need to be more conservative with the energy settings used.
Regardless of whether you have dark or fair skin, you face the same risks and side effects. Individuals with darker skin tones may face an increased risk for hyperpigmentation or hypopigmentation. They should avoid sun exposure and follow appropriate after-care instructions.
Hyperpigmentation is usually temporary and will fade naturally with time. There are also tablets, which you can take to lighten the hyperpigmentation faster.
Related: The Ultimate Guide to Tattoo Removal in Singapore