Mushroom Card Light Slider Color Configuration help

Hi All,
I’m attempting to edit the colors of these Mushroom sliders, without using cardmod. Supposedly, there’s a way to do this by adding the specifc name of the color variable directly into config.yaml, and defining it there- but I’m having a hard time tracking down exactly how to find and place the right variables. Thanks in advance!


I did a dumb and forgot these were bubble cards…
If anyone else finds this, I’m having success with the following:
*Note that different elements need to be referenced for sliders vs buttons. See official styling documentation for more details.

type: horizontal-stack
cards:
  - type: custom:bubble-card
    card_type: button
    entity: light.living_room_accent_lights_2
    button_type: slider
    name: Accent
    icon: mdi:light-flood-up
    tap_action:
      action: toggle
    scrolling_effect: true
    show_icon: true
    force_icon: false
    show_name: true
    show_state: false
    show_last_changed: false
    show_attribute: true
    attribute: color_temp_kelvin
    styles: |-
      .bubble-range-fill { 
        background: rgba(47, 196, 169, 0.75) !important;
        opacity: 1 !important;
      }
       .bubble-icon {
        color: white !important;
      }
      .bubble-icon-container {
        background: black !important;
      }
  - type: custom:bubble-card
    card_type: button
    entity: input_boolean.permit_living_room_lights
    button_type: switch
    icon: mdi:motion-sensor
    tap_action:
      action: toggle
    name: Motion
    styles: |2-
        .bubble-button-background {
          opacity: 1 !important;
          background-color: ${state === 'on' ? 'rgba(100, 100, 180,0.75)' : 'rgba(0,0,0,1)'} !important;
        }