Liquid - switch statement with a variable -

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i have following situation:

<label for="swatch-{{ option_index }}-{{ value | handle }}" style="background-color:          {% capture color %} {{ value | handle }} {% endcapture %}        {% assign handle = color %}         {% case handle %}           {% when 'red' %}              red;           {% when 'navy' %}              navy;           {% else %}              #f00;         {% endcase %}  background-image: url({{ value | handle | append: '.' | append: file_extension | file_url }})">

when {{color}} prints right color, when try use in comparison statement fails, returns blank (or rather default #f00. same if statement.

if define 

{% assign handle = 'red' %}

then works fine.

have tried using {{ value | handleize }} ? far i'm aware "handle" not right operator.


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