the light is
How is your light today?
DarkSlateGrey
#2F4F4F
additional information
wikipedia
first ocurrence using the term "DarkSlateGrey" is "X11 color names".
In computing, on the X Window System, X11 color names are represented in a simple text file, which maps certain strings to RGB color values
goodreads
first ocurrence using the term "DarkSlateGrey"
any data available
google images
first ocurrence using the term "DarkSlateGrey"