A

Anonymous

Answered

PNG-24

Forum|Forum|3 years ago
May 24, 2022
3 replies
1072 views

Hi,

In my workflow above, is PNG-24 OK?

There are unfamiliar options in PNG-8.

Hosun

macOS

This topic has been closed for replies.

Correct answer davescm

When I place them on Pages, I see some difference.

Hosun

You appear to be placing text. I would use Photoshop for images only and take them into InDesign where I would add the text. Then export in the format you require for your e-book.

Dave

jane-e

Community Expert

Is there a reason you are going from AI to PS to PNG and not directly from AI to PNG?

Jane

A

Anonymous

Option 1.

Ai -> png

Option 2.

Ai -> Ps -> png

In my current situation, png from Option 2 gives a better quality.

Hosun

Nancy OShea

Community Expert

If all depends on your image.

PNG-24 produces larger filesize and can support 16 million colors. Best for photos, gradients and more complex images.

PNG-8 produces smaller filesize, but supports only 256 colors. It might be OK for simple drawings that contain no gradients & few colors.

Does that help you?

Nancy O'Shea— Product User & Community Expert

davescm

Community Expert

Hi

PNG24 is 8 bits per channel and has three channels - red, green and blue. So that is the right option for a full colour image and gives a possible 256 x 256 x 256 = 16.7 million colours.

PNG8 has only 8 bits which means 256 values. It uses each value to represent one of 256 colours stored in a table. Hence the term index color. Whilst it is efficient on space, it cannot represent the full range of values that an 8 bit per channel image can hold.

So use PNG24.

Dave

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