Color manipulation

Saturation

Parameter: saturation    
Units: Number    
Range: -100 to 100   
Default: 0

Change color saturation of the image.

?saturation=-100

?saturation=-100

?saturation=-100

?saturation=-25

?saturation=-100

?saturation=0

?saturation=-100

?saturation=25

Hue

Parameter: hue    
Units: Number    
Range: 0 to 100   
Default: 0

Adjusts the colors of the image by rotating the color wheel. The default value of 0 is the base color and increasing the value modulates to the next color for every 33 change.

?hue=0

?hue=0

?hue=0

?hue=33

?hue=66

?hue=66

?hue=90

?hue=90

Contrast

Parameter: contrast    
Units: Number    
Range: -100 - 100   
Default: 0

Adjusts the contrast of the output image.

?contrast=**0**

?contrast=0

?contrast=**20**

?contrast=20

?contrast=**20**

?contrast=-20

Sepia

Parameter: sepia
Units: Integer
Values: 0 - 100
Default: 0

Changes the image color to the sepia color scheme.

?sepia=**0**

?sepia=0

?sepia=**50**

?sepia=50

?sepia=**100**

?sepia=100