5-step gradient: Luminous vivid aquamarine (#00ff99) to Strong red (#990000).

RGB Gradient: Luminous vivid aquamarine to Strong red

Spot colors

 
 
 
 
 
#00ff99 #26bf72 #4c7f4c #723f26 #990000

Linear gradient

CSS
background-image: linear-gradient(135deg, #00ff99, #990000);
Output

HSV Clockwise Gradient: Luminous vivid aquamarine to Strong red

Spot colors

 
 
 
 
 
#00ff99 #007ee5 #3d00cc #b20097 #990000

Linear gradient

CSS
background-image: linear-gradient(135deg, #00ff99, #007ee5, #3d00cc, #b20097, #990000);
Output

HSV Counterclockwise Gradient: Luminous vivid aquamarine to Strong red

Spot colors

 
 
 
 
 
#00ff99 #0be500 #8ecc00 #b27400 #990000

Linear gradient

CSS
background-image: linear-gradient(135deg, #00ff99, #0be500, #8ecc00, #b27400, #990000);
Output