5-step gradient: Black (#000000) to Very light cyan (#99ffff).

RGB Gradient: Black to Very light cyan

Spot colors

 
 
 
 
 
#000000 #263f3f #4c7f7f #72bfbf #99ffff
Export palette (gpl/png/ase)

Linear gradient

CSS
background-image: linear-gradient(135deg, #000000, #99ffff);
Output

HSV Clockwise Gradient: Black to Very light cyan

Spot colors

 
 
 
 
 
#000000 #3f3e39 #727f66 #85bf94 #99ffff
Export palette (gpl/png/ase)

Linear gradient

CSS
background-image: linear-gradient(135deg, #000000, #3f3e39, #727f66, #85bf94, #99ffff);
Output

HSV Counterclockwise Gradient: Black to Very light cyan

Spot colors

 
 
 
 
 
#000000 #3f393e #72667f #8594bf #99ffff
Export palette (gpl/png/ase)

Linear gradient

CSS
background-image: linear-gradient(135deg, #000000, #3f393e, #72667f, #8594bf, #99ffff);
Output