Put blue lines and circles with cyan & magenta color, will people see yellow circle? No.

pick color for the right-bottom circle

Change the color to white, and you will find nothing on the right-bottom side.

initial opacity 50% multiply color-burn lighten screen color-dodge overlay soft-light hard-light difference exclusion hue saturation color luminosity

Put blue lines and black lines, will people see yellow circle?

change border width