You can customize your jetforms email notification template using our shortcode feature. Please follow this link. You can get Jetforms field ID/shortcode from
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But you need to wrap it within % tag as per jetforms sysntax, so it will look like %text_field%. A final shortcode for Jetform will look like
[ele_override_start][elemailer:id="843" post:emap:%post_id% /esplit/ color:emap:%color_picker%][ele_override_end]