,bW&#39; prior to March 2020, but since this</span>
<span class="sd">        |   is an a,b Cartesian system centered on (1,0), the default output</span>
<span class="sd">        |   has been changed to &#39;Q,aS,bS&#39;.</span>

<span class="sd">    References: </span>
<span class="sd">        1. `Hermans, S., Smet, K. A. G., &amp; Hanselaer, P. (2018). </span>
<span class="sd">        &quot;Color appearance model for self-luminous stimuli.&quot;</span>
<span class="sd">        Journal of the Optical Societ