×
Please click
here
if you are not redirected within a few seconds.
All
Images
Videos
News
Maps
Shopping
Books
Search tools
Any time
Any time
Past hour
Past 24 hours
Past week
Past month
Past year
All results
All results
Verbatim
Indigo
Hue
<
>
View all
Indigo is a term used for a number of hues in the region of blue. The word comes from the ancient dye of the same name.
Wikipedia
Frequency
:
~714–670 THz
Wavelength
:
420–450(disputed) nm