ColorEdit3(const char* label, float col[3], ImGuiColorEditFlags flags = 0);
ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flags = 0);
ColorPicker3(const char* label, float col[3], ImGuiColorEditFlags flags = 0);
ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags flags = 0, const float* ref_col = NULL);