HueHive

1. Deep Blue Sea - #0B6E8F - This rich, deep blue evokes the feeling of being submerged in the ocean depths. It's a calming and serene color that will help users stay focused and relaxed while using the free diving app.

2. Coral Reef - #FF7F50 - A warm and inviting shade of orange, this color represents the vibrant life and energy of a coral reef. It's a great accent color to add some pop and excitement to the app's design.

3. Sunburst Yellow - #FEDC56 - This bright and cheerful yellow is reminiscent of the sun's warm rays beaming down on the ocean's surface. It adds a sense of energy and optimism to the app's palette.

4. Seafoam Green - #8FBC8F - This soft and soothing green is inspired by the gentle waves and foam of the ocean. It's a calming color that helps users feel at ease while using the app.

5. Slate Gray - #708090 - A cool, neutral gray that represents the strength and stability of the ocean. It's a great background color that will help other colors pop and stand out.

6. Royal Purple - #6B3FA0 - This rich and regal shade of purple adds a touch of elegance and sophistication to the palette. It's a great color for highlighting important information or features within the app.

7. Sand Dune - #C2B280 - A warm and earthy color that represents the sandy beaches and shores of the ocean. It's a great accent color that adds a natural and organic feel to the design.

8. Ocean Spray - #7FB3D5 - This light and refreshing blue-green color is inspired by the misty spray of the ocean waves. It's a calming and peaceful color that will help users stay focused and relaxed while using the app.