color to alpha is greyed out?

[Loriblackdog@brighthouse.com]

(12-09-2019, 04:26 PM)Blighty Wrote:

(12-09-2019, 04:03 PM)rich2005 Wrote: Go to Layer -> Transparency -> Add Alpha channel

Another possibility:
Image must be RGB (not grayscale or indexed)
Image > Mode > RGB

Thanks Rich it worked...