# Gray color segment is appearing after performing following operation

**URL:** <https://discourse.slicer.org/t/gray-color-segment-is-appearing-after-performing-following-operation/23682>\
**Category:** Support\
**Tags:** segmentation\
**Created:** [June 2, 2022, 10:28am UTC](https://discourse.slicer.org/t/gray-color-segment-is-appearing-after-performing-following-operation/23682 "2022-06-02T10:28:24Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Dwij\_Mistry](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/dwij_mistry/32/15265_2.png) [@Dwij\_Mistry](https://discourse.slicer.org/u/Dwij_Mistry)\
**Post date:** [June 2, 2022, 10:28am UTC](https://discourse.slicer.org/t/gray-color-segment-is-appearing-after-performing-following-operation/23682/1 "2022-06-02T10:28:24Z")

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Add segment → open threshold effect → delete segment → now add segment (This segment is gray color.)

[https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/5/1/51426daf7d98b1af0463707ef0c8912cef8f6349.mp4](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/5/1/51426daf7d98b1af0463707ef0c8912cef8f6349.mp4)

Note: there is no gray color in the color table

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [June 2, 2022, 12:59pm UTC](https://discourse.slicer.org/t/gray-color-segment-is-appearing-after-performing-following-operation/23682/2 "2022-06-02T12:59:40Z")

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Thank you, for reporting. I was able to reproduce this, but I don’t have time to work on it right now. Could you please [submit an issue](https://github.com/Slicer/Slicer/issues/new?assignees=&labels=type%3Abug&template=bug_report.md&title=) to keep track of the issue?