Here’s a refined monochromatic/duochromatic color palette with 10 distinct steps transitioning from a dark desaturated purplish color to the brightest white, ensuring each step represents a clear change in brightness:

json
{
  "palette_name": "Twilight Transition Linear",
  "colors": [
    {
      "name": "Deep Black",
      "hex_code": "
                            
                            #000000
                        "
    },
    {
      "name": "Dark Purple",
      "hex_code": "
                            
                            #2E1A4D
                        "
    },
    {
      "name": "Muted Purple",
      "hex_code": "
                            
                            #5B2A7A
                        "
    },
    {
      "name": "Soft Purple",
      "hex_code": "
                            
                            #7A4B9D
                        "
    },
    {
      "name": "Lavender",
      "hex_code": "
                            
                            #A46AAB
                        "
    },
    {
      "name": "Light Lavender",
      "hex_code": "
                            
                            #C29ED4
                        "
    },
    {
      "name": "Pale Lavender",
      "hex_code": "
                            
                            #D8B4E5
                        "
    },
    {
      "name": "Frosted Lavender",
      "hex_code": "
                            
                            #E4C9E9
                        "
    },
    {
      "name": "Cold Blue Lavender",
      "hex_code": "
                            
                            #E0D1E7
                        "
    },
    {
      "name": "Brightest White",
      "hex_code": "
                            
                            #FFFFFF
                        "
    }
  ]
}

Palette Description

• Deep Black serves as the absolute starting point, ideal for OLED screens.
• Dark Purple introduces a rich, dark hue with a slight warmth, maintaining a connection to the night sky theme.
• Muted Purple and Soft Purple gradually lighten, providing a smooth transition to lilac tones.
• Lavender brings in a brighter yet soft shade, perfect for backgrounds and secondary elements.
• Light Lavender and Pale Lavender continue the progression towards lighter shades.
• Frosted Lavender adds a hint of brightness while still retaining a connection to the previous colors.
• Cold Blue Lavender offers a cooler touch before reaching the brightest point.
• Brightest White concludes the palette, ensuring maximum contrast and clarity for text and UI elements.

Would you like any further modifications or specific applications for this palette?