Key benefits of matte black in color therapy include:
Emotional Protection and Security: Black acts as a barrier, offering protection from external stress and allowing for emotional introspection. It can help create a "safe space" to hide from the world when feeling vulnerable.
Grounding and Composure: Matte black is associated with stability, seriousness, and resilience. It assists in feeling more centered, collected, and grounded during chaotic moments.
Reduced Mental Overload: Because black is the absence of light, it can reduce distractions, making it useful for creating calm environments that encourage quiet contemplation.
Sophistication and Modernity: The matte texture reduces glare and adds a sense of modern, luxurious refinement, contributing to a feeling of being in control. 
Note: While black provides protection, long-term, overexposure to black can sometimes be draining, suggesting it is best used in balance with other colors. 
Matte black symbolizes sophistication, elegance, and modernity, often associated with luxury and high-end design. It conveys a sense of mystery and power.