Contrast

Increase contrast

GET

https://images.contentstack.io/v3/assets/{stack_api_key}/{asset_uid}/{file_uid}/filename.jpg?environment={environment_name}&contrast={contrast_value}

Note Check out the limitations that are applicable here.

To decrease the value of the contrast parameter of an image, pass a negative value:

Hide Parameters

Query Parameters

contrastoptionalstring

Enter the contrast value (1 to 100) to be applied to the image.

Example:

50

environmentrequiredstring

Enter the environment scoped to your delivery token.

Example:

production

Decrease contrast

GET

https://images.contentstack.io/v3/assets/{stack_api_key}/{asset_uid}/{file_uid}/filename.jpg?environment={environment_name}&contrast={contrast_value}

Note Check out the limitations that are applicable here.

Additional Notes

The default value for the contrast parameter is 0. This renders an unchanged image.
A value of -100 will render a neutral gray image.

The contrast parameter allows you to increase or decrease the difference between the darkest and lightest tones in a given image. To specify contrast for an image, use a whole number (integer) between -100 and 100. You can also define contrast using any decimal number between -100.00 and 100.00.

To increase the value of the contrast parameter of an image, pass a positive value: