Generating a hunting camouflage pattern using images of the Hawaiian Islands as a base requires a sophisticated image processing and pattern generation algorithm not readily available through a simple text-based response. A true "Camouflage Pattern Generator" would be a software application, not a text-based output. Therefore, I cannot directly generate the requested camouflage pattern. To achieve this, you would need to use a specialized software program or service capable of:

1. Image Acquisition and Preprocessing: Obtain high-resolution images of the Hawaiian Islands' diverse landscapes (beaches, forests, volcanic rock formations, etc.). These images need to be cleaned and prepared for pattern generation, potentially involving color correction and noise reduction.

2. Pattern Extraction and Modification: A sophisticated algorithm would analyze the acquired images to extract relevant color and texture information. This information would then be manipulated to create a repeating camouflage pattern. This step might involve techniques like fractal generation, noise filtering, and color quantization to create a visually appealing and effective camouflage. The algorithm needs to be able to handle the complexity and variation within the Hawaiian Islands' imagery.

3. Pattern Generation and Export: The processed data would be used to generate a repeatable camouflage pattern. The output should be in a format suitable for printing or digital use (e.g., high-resolution image file, vector graphics). The pattern should be designed to break up the wearer's outline effectively in the Hawaiian Islands' environment.

4. Testing and Refinement: The generated pattern would need to be tested for effectiveness. This might involve simulations or real-world testing to ensure it provides adequate concealment in various lighting conditions and terrains within the Hawaiian Islands. Iterations and refinements would likely be necessary to optimize the pattern's performance.

In short, creating this camouflage pattern is a complex task requiring specialized software and potentially significant computational resources. It's not something that can be accomplished with a simple text-based response.