inkiest

Example:She wore a lightest shade of blue that blended well with the summer sky.

Definition:having the least amount of darkness or black; being the most pale or the next to last in a hierarchy of shades of color.

Example:Under the bright lights, she looked her most dazzling and lightest in color.

Definition:very light, brightest or whitest, and, by extension, most cheerful or brightest in color, mood, etc.