<Dark Neon Space Theme> 
1. Background - 
          
          #000000
        - A deep black color that serves as the primary background, creating a strong contrast with neon colors and enhancing the brutalist aesthetic.
2. Text - 
          
          #FFFFFF
        - Pure white for text, ensuring excellent readability against the dark background while maintaining a clean and modern look.
3. Primary Action - 
          
          #00FF00
        - Neon green for primary action buttons, drawing attention and providing a vibrant pop against the dark theme.
4. Secondary Action - 
          
          #FF00FF
        - Neon magenta for secondary actions, offering a complementary contrast to the primary action color, enhancing the brutalist visual style.
5. Accent - 
          
          #FFFF00
        - Bright yellow as an accent color for highlights and interactive elements, ensuring it stands out while remaining cohesive with the overall palette.

This color palette is designed to evoke a bold and dynamic atmosphere suitable for a site focused on space images and facts. The use of dark backgrounds with neon colors aligns with a brutalist aesthetic, creating a visually striking interface that enhances user engagement.

Would you like any additional adjustments to the palette or specific usage suggestions for each color?