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https://github.com/pdwaggoner/ygdesign

YouGov Design Tools
https://github.com/pdwaggoner/ygdesign

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YouGov Design Tools

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# `ygdesign`: YouGov Design Tools



[![Project Status: Moved to https://github.com/yougov-datascience/ygdesign – The project has been moved to a new location, and the version at that location should be considered authoritative.](https://www.repostatus.org/badges/latest/moved.svg)](https://www.repostatus.org/#moved) to the [ygverse](https://github.com/yougov-datascience/ygdesign)



The goal of `ygdesign` is to offer a suite of tools to aid in the design and production of data visualization. The package will eventually include many tools, e.g., `ggplot2` theme's, geoms, etc. But for now, the package only includes a color palette generator for all color palettes from the 2022 YouGov brand refresh.



## Use



Users simply pass the name of the desired palette in the main function `yg_palette()`, along with the number of colors desired from the palette (e.g., only 4 from a 5-color palette), and whether "continuous" or "discrete" `type` mapping is desired. If the number of colors, `n`, is `null`, then all colors in the palette will be returned.



## Palettes 



1. `ps_core`: five colors including the primary (1) and secondary (4) core shades

2. `secondary_core`: four colors including the secondary core shades

3. `grapefruit`: five shades of the primary color, "grapefruit"

4. `plum`: five shades of the first secondary color, "plum"

5. `pomegranate`: five shades of the second secondary color, "pomegranate"

6. `blueberry`: five shades of the third secondary color, "blueberry"

7. `avocado`: five shades of the fourth secondary color, "avocado"

8. `full`: 24 colors giving an extensive palette for larger applications

9. `grayscale`: eight colors in the gray scale from "stone gray 7" to "black"



## Displaying palettes



To display or use a specific palette, pass the palette name in quotes to `yg_palette()`.



```{r}

yg_palette("ps_core")

```

![](figs/one.png)



```{r}

yg_palette("secondary_core")

```

![](figs/two.png)



```{r}

yg_palette("grapefruit")

```

![](figs/three.png)



```{r}

yg_palette("plum")

```

![](figs/four.png)



```{r}

yg_palette("pomegranate")

```

![](figs/five.png)



```{r}

yg_palette("blueberry")

```

![](figs/six.png)



```{r}

yg_palette("avocado")

```

![](figs/seven.png)



```{r}

yg_palette("full")

```

![](figs/eight.png)



```{r}

yg_palette("grayscale")

```

![](figs/nine.png)



## Interpolation via the "continuous" `type`



To interpolate between existing colors in a given palette, pass the number of desired shades (`n`), the palette name (`name`), and the type (`type`) to `yg_palette()`. For example, interpolate 50 shades for the "ps_core" and "grayscale" palette:



```{r}

yg_palette(n = 50, name = "ps_core", type = "continuous")

```

![](figs/ten.png)



```{r}

yg_palette(n = 50, name = "grayscale", type = "continuous")

```

![](figs/eleven.png)



Further, users can increase `n` for larger contexts or to eliminate separation between interpolated shades. Start with: 



```{r}

yg_palette(n = length(yg_palette("full")), name = "full", type = "continuous")

```

![](figs/twelve.png)



which is equivalent to:



```{r}

yg_palette("full")

```



But note the difference with, e.g., `n = 150`:



```{r}

yg_palette(n = 150, name = "full", type = "continuous")

```

![](figs/thirteen.png)



Or with `n = 500`:



```{r}

yg_palette(n = 500, name = "full", type = "continuous")

```

![](figs/fourteen.png)



Of note, users can declare "discrete" in the `type` argument if working with discrete class data (e.g., factors).



## How do I get `ygdesign`? 



`ygdesign` is under active development at this repo. Engagement and collaboration of any kind is encouraged, whether via filing an [issue](https://github.com/pdwaggoner/ygdesign/issues) or submitting a [pull request](https://github.com/pdwaggoner/ygdesign/pulls) with enhancements or bug fixes.