Exactly Extreme Contrast
Extreme Contrast is a photographic style from Exactly AI that produces images with dramatic, high-contrast lighting and deep shadow detail. It generates photos with bold tonal separation and strong visual impact, well suited for portrait photography, dramatic compositions, fashion visuals, and any project that demands a powerful chiaroscuro effect.
API Options
Platform-level options for task execution and delivery.
-
taskType
string required value: imageInference -
Identifier for the type of task being performed
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taskUUID
string required UUID v4 -
UUID v4 identifier for tracking tasks and matching async responses. Must be unique per task.
-
outputType
string default: URL -
Image output type.
Allowed values 3 values
-
outputFormat
string default: JPG -
Specifies the file format of the generated output. The available values depend on the task type and the specific model's capabilities.
- `JPG`: Best for photorealistic images with smaller file sizes (no transparency).
- `PNG`: Lossless compression, supports high quality and transparency (alpha channel).
- `WEBP`: Modern format providing superior compression and transparency support.
**Transparency**: If you are using features like background removal or LayerDiffuse that require transparency, you must select a format that supports an alpha channel (e.g., `PNG`, `WEBP`, `TIFF`). `JPG` does not support transparency.Allowed values 3 values
-
outputQuality
integer min: 20 max: 99 default: 95 -
Compression quality of the output. Higher values preserve quality but increase file size.
-
webhookURL
string URI -
Specifies a webhook URL where JSON responses will be sent via HTTP POST when generation tasks complete. For batch requests with multiple results, each completed item triggers a separate webhook call as it becomes available.
Learn more 1 resource
- Webhooks PLATFORM
- Webhooks
-
deliveryMethod
string default: sync -
Determines how the API delivers task results.
Allowed values 2 values
- Returns complete results directly in the API response.
- Returns an immediate acknowledgment with the task UUID. Poll for results using getResponse.
Learn more 1 resource
- Task Polling PLATFORM
-
uploadEndpoint
string URI -
Specifies a URL where the generated content will be automatically uploaded using the HTTP PUT method. The raw binary data of the media file is sent directly as the request body. For secure uploads to cloud storage, use presigned URLs that include temporary authentication credentials.
Common use cases:
- Cloud storage: Upload directly to S3 buckets, Google Cloud Storage, or Azure Blob Storage using presigned URLs.
- CDN integration: Upload to content delivery networks for immediate distribution.
// S3 presigned URL for secure upload https://your-bucket.s3.amazonaws.com/generated/content.mp4?X-Amz-Signature=abc123&X-Amz-Expires=3600 // Google Cloud Storage presigned URL https://storage.googleapis.com/your-bucket/content.jpg?X-Goog-Signature=xyz789 // Custom storage endpoint https://storage.example.com/uploads/generated-image.jpgThe content data will be sent as the request body to the specified URL when generation is complete.
-
safety
object -
Content safety checking configuration for image generation.
Properties 2 properties
-
safety»checkContentcheckContent
boolean default: false -
Enable or disable content safety checking. When enabled, defaults to
fastmode.
-
safety»modemode
string default: none -
Safety checking mode for image generation.
Allowed values 2 values
- Disables checking.
- Performs a single check.
-
-
ttl
integer min: 60 -
Time-to-live (TTL) in seconds for generated content. Only applies when
outputTypeisURL.
-
includeCost
boolean default: false -
Include task cost in the response.
-
numberResults
integer min: 1 max: 20 default: 1 -
Number of results to generate. Each result uses a different seed, producing variations of the same parameters.
Inputs
Input resources for the task (images, audio, etc). These must be nested inside the inputs object.
inputs object.-
inputs»referenceImagesreferenceImages
array of objects items: 1 -
Reference images for guiding generation. Each entry specifies an image, its purpose, and optional strength.
Generation Parameters
Core parameters for controlling the generated content.
-
model
string required value: exactly:photo@extreme-contrast -
Identifier of the model to use for generation.
Learn more 3 resources
-
positivePrompt
string required -
Text prompt describing elements to include in the generated output.
Learn more 2 resources
-
Width of the generated media in pixels.
Learn more 2 resources
-
Height of the generated media in pixels.
Learn more 2 resources
Floodlit Fencer in Tunnel
{
"taskType": "imageInference",
"taskUUID": "b91cb66e-4cd3-4fbe-9863-feab29154eda",
"model": "exactly:photo@extreme-contrast",
"positivePrompt": "A cinematic high-fashion sports photograph of a lone fencer standing in a narrow concrete pedestrian tunnel at night, silver foil mask tucked under one arm, white fencing jacket catching a harsh overhead floodlight, black wet pavement reflecting sharp streaks of light, dense shadows swallowing the tunnel edges, intense tonal separation, crisp facial features, realistic skin texture, dramatic rim light, strong chiaroscuro, deep blacks, brilliant highlights, subtle mist in the air, gritty urban background, editorial photography, ultra-detailed, powerful composition, exactly-photo-extreme-contrast style",
"width": 1264,
"height": 848
}{
"taskType": "imageInference",
"taskUUID": "b91cb66e-4cd3-4fbe-9863-feab29154eda",
"imageUUID": "726837af-e586-4b37-be6a-64393d14a272",
"imageURL": "https://im.runware.ai/image/os/a14d18/ws/3/ii/726837af-e586-4b37-be6a-64393d14a272.jpg",
"seed": 1697510273,
"cost": 0.195
}Saffron Wrestler Market Stall
{
"taskType": "imageInference",
"taskUUID": "abf12b1d-d6b1-40b2-9d28-8ee8ee8bd5b9",
"referenceImages": [
{
"type": "character",
"image": "https://assets.runware.ai/assets/inputs/86a452f1-71e7-4382-b4c8-86b572f48a48.jpg"
}
],
"model": "exactly:photo@extreme-contrast",
"positivePrompt": "A dramatic photographic fashion editorial of a powerful female wrestler standing in a narrow spice market stall, hands and forearms stained with saffron and paprika, towering burlap sacks and hanging scoops around her, airborne spice dust catching a hard shaft of light, extreme contrast, deep black shadows, brilliant highlights on skin and fabric, fierce expression, raw documentary realism blended with luxury magazine styling, tactile textures, bold chiaroscuro, crisp facial detail, gritty atmosphere, strong tonal separation, cinematic color depth",
"width": 1264,
"height": 848
}{
"taskType": "imageInference",
"taskUUID": "abf12b1d-d6b1-40b2-9d28-8ee8ee8bd5b9",
"imageUUID": "90ccd4f0-e07c-4880-b51b-92b38114f845",
"imageURL": "https://im.runware.ai/image/os/a07d11/ws/3/ii/90ccd4f0-e07c-4880-b51b-92b38114f845.jpg",
"seed": 1393003908,
"cost": 0.195
}Backstage Boxer Under Spotlight
{
"taskType": "imageInference",
"taskUUID": "af4d6d5e-7105-4de5-9a82-4e8ab56ffdf6",
"model": "exactly:photo@extreme-contrast",
"positivePrompt": "A powerful editorial sports photograph of a female boxer standing alone backstage before a match, hands wrapped, robe hanging open over training gear, sharp overhead spotlight cutting across her face and shoulders, one side of the frame falling into deep black shadow, airborne chalk dust and faint haze catching the light, scuffed concrete floor, metal folding chair, taped knuckles, intense calm expression, high cheekbone definition, crisp pores and skin texture, cinematic high-contrast photography, extreme chiaroscuro, deep blacks, bright highlights, dramatic tonal separation, realistic lens rendering, subtle grain, premium fashion-magazine finish",
"width": 1264,
"height": 848
}{
"taskType": "imageInference",
"taskUUID": "af4d6d5e-7105-4de5-9a82-4e8ab56ffdf6",
"imageUUID": "6d3a9093-f589-4dda-89dd-9f68b890861f",
"imageURL": "https://im.runware.ai/image/os/a24d12/ws/2/ii/6d3a9093-f589-4dda-89dd-9f68b890861f.jpg",
"seed": 1002257802,
"cost": 0.195
}Chrome Drummer Loading Dock
{
"taskType": "imageInference",
"taskUUID": "ccbe88a3-19d5-4ef6-8644-d46d1d6d0aa1",
"referenceImages": [
{
"type": "reference",
"image": "https://assets.runware.ai/assets/inputs/d8925748-696c-4b72-a8b6-29d427b392e8.jpg"
}
],
"model": "exactly:photo@extreme-contrast",
"positivePrompt": "Transform the reference into a striking editorial photograph of an androgynous drummer in a cavernous loading dock, reflective silver trench coat catching a hard overhead beam, deep black shadows swallowing the far walls, polished concrete with bright specular highlights, bold chiaroscuro across the face and clothing, sculpted cheekbones, intense stance, chrome and leather textures, cinematic negative space, crisp photographic realism, extreme tonal separation, dramatic high-contrast lighting, powerful fashion image with gritty industrial atmosphere.",
"width": 1264,
"height": 848
}{
"taskType": "imageInference",
"taskUUID": "ccbe88a3-19d5-4ef6-8644-d46d1d6d0aa1",
"imageUUID": "cad9beac-c001-491b-9e07-707b42200bc5",
"imageURL": "https://im.runware.ai/image/os/a13d12/ws/2/ii/cad9beac-c001-491b-9e07-707b42200bc5.jpg",
"seed": 1477445399,
"cost": 0.195
}