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Clarify sprite vs background color mapping #76

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23 changes: 22 additions & 1 deletion docs/assets/sprites.md
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Expand Up @@ -89,12 +89,33 @@ To delete a tile or frame, select it in either the _Frame Canvas_ or _Frames Nav

## Image Requirements

### Sprites

Sprite `.png`s must only contain the following four colors:

<Swatch color="#071821" />
<Swatch color="#306850" />
Is displayed as the _"darkest"_ color from the palette.

<Swatch color="#86c06c" />
Is displayed as the bight color from the palette, second from right in the _Palette Editor_.

<Swatch color="#e0f8cf" />
Is displayed as the _"brightest"_ color from the palette.

<Swatch color="#65ff00" />
Is transparent. You can set the alpha channel to 0 so that your sprite editor also recognizes this as transparent.

### Backgrounds

<Swatch color="#65ff00" />
<Swatch color="#e0f8cf" />
These two are displayed as the _"brightest"_ color from the background palette. And then, these other three
are displayed as the _"darker"_ colors of the palette

<Swatch color="#86c06c" />
<Swatch color="#306850" />
<Swatch color="#071821" />


Download the GB Studio Palette Swatches for:
[Adobe Photoshop](/assets/swatches/gb-studio-photoshop.aco)
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