5-step gradient: Black (#000000) to Strong cyan (#009999).

RGB Gradient: Black to Strong cyan

Spot colors

 
 
 
 
 
#000000 #002626 #004c4c #007272 #009999

Linear gradient

CSS
background-image: linear-gradient(135deg, #000000, #009999);
Output

HSV Clockwise Gradient: Black to Strong cyan

Spot colors

 
 
 
 
 
#000000 #26231c #394c26 #1c7232 #009999

Linear gradient

CSS
background-image: linear-gradient(135deg, #000000, #26231c, #394c26, #1c7232, #009999);
Output

HSV Counterclockwise Gradient: Black to Strong cyan

Spot colors

 
 
 
 
 
#000000 #261c23 #39264c #1c3272 #009999

Linear gradient

CSS
background-image: linear-gradient(135deg, #000000, #261c23, #39264c, #1c3272, #009999);
Output