I have been working on my own color theme for the past couple of weeks. As I have been working with colors a lot I realized that I was checking this really useful Hexadecimal color code for transparency gist multiple times per coding session to check what is e.g. 30% opacity in hex (btw it's 4D, I got it memorized!).
Always checking the gist became tiring and over the weekend, I created this nifty npm package to quickly convert any opacity value into hex directly from my cli.
You can install it with
npm install -g @mskri/hex-opacity
Once installed you can then run following command in your cli to get the percentage value in hexadecimal
hex-opacity <opacity value>
For example converting 30% opacity to hexadecimal would be
$ hex-opacity 30
4D
Check out the package at https://www.npmjs.com/package/@mskri/hex-opacity
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