static const char black[]       = "#262c3a";
static const char gray2[]       = "#2e323a"; // unfocused window border
static const char gray3[]       = "#545862";
static const char gray4[]       = "#6d8dad";
static const char blue[]        = "#61afef";  // focused window border
static const char green[]       = "#7EC7A2";
static const char red[]         = "#e06c75";
static const char orange[]      = "#caaa6a";
static const char yellow[]      = "#EBCB8B";
static const char pink[]        = "#c678dd";
static const char col_borderbar[]  = "#262c3a"; // inner border