PANTONE 386 C recreated in RGB color mode. I think it should be slightly greener:

Albers-style juxtapositions of colored squares. In this first one I varied brightness in steps of 20:

Brightness varied in steps of 40:

Saturation varied in steps of 20:

And, finally, saturation varied in steps of 40:

And, finally, here is my color palette composition. I started with the background color and varied only brightnesss and saturation, while maintaining a consistent hue: