Palette questions

Hey there. Brand new user of the software and trying to create art for Spectrum Next, 9 bit colour mode. Kinda lost on how to go about it. I sort-of understand the colour constraints but not so much how to setup the colours in two separate chunks of 256 colours each. Spectrum Next allows 256 colours for sprites and 256 colours for tiles/backgrounds. I don’t understand how to set that up in Pro Motion.

Generally a single frame/image has a color palette that can only use up to 256 colors.
By default, a single global palette mode is enabled that uses the same palette for all frames.
But, every layer could use a separate palette and even every frame could use a separate palette.
With tile map projects, there is only a single tile set for the project and therefore, only 256 colors are possible throughout the project.
So, I suggest to create one project for the sprites with global palette (default) and define your 256 colors and
to use a separate project for the tile map.
Do you want to create real game graphics or only concept art?

Re: graphics, both real and concept. And yeah I’d figured that it needs to be separate projects and that’s fine. My problem is how to fill the palette of 256 colours out of 512 available, making sure that the colours shown are 9 bit. Hope I make sense?

Yes, makes sense. You can can limit the number of bits used per RGB using “Channel Bit Depth Settings”, e.g. when creating a new project:

ZX Spectrum uses RGB = 3,3,3 making up 9 bits overall.

When this is set up the color space is reduced accordingly.

For opened projects you can modify the settings in menu Colors / Modify Channel Bit Depth…

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Thank you so much, I appreciate that!