static const char col_gray1[]       = "#282C34";
static const char col_gray2[]       = "#ABB2BF";
static const char col_gray3[]       = "#ABB2BF";
static const char col_gray4[]       = "#282C34";
static const char col_gray5[]       = "#c678DD";
static const char col_cyan[]        = "#E06C75";