static const char col_gray1[]       = "#0F111A";
static const char col_gray2[]       = "#E5E9F0";
static const char col_gray3[]       = "#E5E9F0";
static const char col_gray4[]       = "#E5E9F0";
static const char col_gray5[]       = "#E5E9F0";
static const char col_cyan[]        = "#3A575C";