# Colourization and screenshot

**URL:** https://discourse.paraview.org/t/colourization-and-screenshot/7869
**Category:** ParaView Support
**Created:** [August 26, 2021, 9:00am UTC](https://discourse.paraview.org/t/colourization-and-screenshot/7869 "2021-08-26T09:00:44Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Corentin](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/c/919ad9/32.png) [@Corentin](https://discourse.paraview.org/u/Corentin)
#### Post date: [August 26, 2021, 9:00am UTC](https://discourse.paraview.org/t/colourization-and-screenshot/7869/1 "2021-08-26T09:00:44Z")

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Hi there !

I’m trying to make screenshots of slices, coloured from the velocities of my simulations (in grayscale), but I can’t change the number of colours that discretize my range of velocities (more than 256), does anybody know how to increase it ?

Thank you very much !

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### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [August 26, 2021, 11:19am UTC](https://discourse.paraview.org/t/colourization-and-screenshot/7869/2 "2021-08-26T11:19:00Z")

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please share a screenshot of the issue.