The neon blue color is a more modern color than the other blue. It is difficult to distinguish different blue from black at night. But Neon blue is easy to see.
#ECF1FF
#DDE4FF
#C2ECFF
#9CACFF
#757FFF
#4D4DFF
#4536F5
#3B2AD8
#3025AE
#2B2689
#1B1650
#33cc33
#333333
#ff9900
#4d4dff
#a9a9a9
#607466
#d7c0d0
#ceff00
#1c1f33
#ff80ff
#ff9980
#8099ff
#ff4d00
#3655b3
#9096ff
#d3deff
#ffb84d
#82ddda
#fcfcfc
#fea3ac
#fe623d
Related: Blue gradients