Mustard ( #FFDB58 ) can be a great fit for your palette, especially if you’re looking for a color that adds depth and character while still maintaining a warm, inviting feel. Here’s how it fits with your existing colors:

1. Contrast: Mustard provides a unique contrast to Deep Blue ( #051650 ) and Sky Blue ( #A4C8E1 ), without being too overpowering. It draws attention without clashing.

2. Harmonization: The warm undertones in Mustard make it complementary to Forest Green ( #2E5B5C ), creating a natural and cohesive look that feels grounded and professional.

3. Professionalism: Unlike brighter yellows, Mustard maintains a level of sophistication that aligns well with the medical technology theme, suggesting innovation and reliability.

4. Versatility: This shade can work effectively in various contexts—whether in logos, marketing materials, or website design—allowing you to maintain a consistent brand identity.

Conclusion

If you want a color that stands out but still feels professional and cohesive with your existing palette, Mustard ( #FFDB58 ) can indeed be a strong choice.

Would you like to proceed with this color, or do you want to explore further options or adjustments?