I have been photographing rainbows a lot of late, with the recent stormy weather here in Ireland.
Here is one of those rainbows from a recent post from Dublin's Portobello: https://panoramicireland.com/photo-tours-blog/rainbow-portobello-dublin
And here another from Dublin in this Facebook post:
{
<div class="fb-post" data-href="https://www.facebook.com/IrishImagesByPanoramicIreland/posts/10156647888055470" data-width="500" data-show-text="true"><blockquote cite="https://www.facebook.com/IrishImagesByPanoramicIreland/posts/10156647888055470" class="fb-xfbml-parse-ignore"><p>Rainbow 🌈 over Dublin, the River Liffey and Samuel Beckett Bridge on a stormy afternoon.
panoramicireland.com/dublin</p>Posted by <a href="https://www.facebook.com/IrishImagesByPanoramicIreland/">Irish Images by Panoramic Ireland</a> on <a href="https://www.facebook.com/IrishImagesByPanoramicIreland/posts/10156647888055470">Wednesday, 5 December 2018</a></blockquote></div>
Here you can see the colour range that we get with rainbows - Red, Orange, Yellow, Green, Blue, Indigo, Violet
Enjoy the rainbows.