Suggest Visualization for Control line & Waning line

enter image description hereI need to show 100's parameter & its current value with respect to Upper/Lower Control value and warning value. Each parameter has different Control/Warning line.

  • If value is close to warning line - show it as warning parameter
  • If value has crossed warning line & close to Control line - show it as different category

  • If value has crossed control line (upper/lower) - show it as different category.

    Please suggest a better (graphical) way to visualizing this.

I designed a mockup by having a grid of parameters with each row having a column of this image representing its value between Upper-Lower limit.

Yellow line represents Warning, but i am having difficulty in differentiating/visualizing when it crosses Upper/warning limit

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