What is monocroma?

As an AI language model, I am not sure what you are referring to for "monocroma". Could you provide more context or information so I can assist you better?

If you are referring to the term "monochromatic", it means having only one color or hue. Monochromatic color schemes are often used in design and art to create a sense of harmony and simplicity. For example, a monochromatic painting may use different shades and tones of blue to create a calming and cohesive effect.