Here’s a color palette that complements the shades 
          
          #b5ac34
        (a muted olive green) and 
          
          #f6ec4e
        (a vibrant yellow) with a range of blue tones:

### Color Palette: "Sunshine & Serenity"

1. **Sky Blue**
   - **Hex Code:** 
          
          #87CEEB
       
   - **Description:** A soft and calming blue that evokes the clarity of a sunny sky, providing a gentle contrast to the earthy tones of the palette.

2. **Powder Blue**
   - **Hex Code:** 
          
          #B0E0E6
       
   - **Description:** A light, pale blue with a hint of gray, offering a serene touch that harmonizes beautifully with the warmer colors.

3. **Cerulean**
   - **Hex Code:** 
          
          #007BA7
       
   - **Description:** A vibrant blue that reflects the freshness of a clear ocean, adding depth and energy to the overall palette.

4. **Steel Blue**
   - **Hex Code:** 
          
          #4682B4
       
   - **Description:** A medium blue with a slight gray tint, this color provides a strong yet gentle balance against the brighter yellows and greens.

5. **Cobalt Blue**
   - **Hex Code:** 
          
          #0047AB
       
   - **Description:** A bold and striking blue that brings a sense of richness and vibrancy, creating a focal point amidst the softer hues.

6. **Teal Blue**
   - **Hex Code:** 
          
          #008080
       
   - **Description:** A deep blue-green that adds an organic feel, reminiscent of tranquil waters, complementing the earthy tones while maintaining a cool vibe.

### Palette Overview:
This color palette blends soft and vibrant blues with warm earthy tones, creating a harmonious and balanced aesthetic. The blues evoke feelings of tranquility and clarity, making it suitable for designs that aim to inspire calmness while still feeling lively and inviting. Perfect for nature-inspired themes, summer events, or any project that seeks a fresh and uplifting appearance.