Random RGB Array in Scene

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Hello,

I’m trying go to make a scene where each light will use one of four RGB color arrays. I have tried various combinations of double quotes, single quotes, curly braces and such but I can’t see to get the syntax right. The code validates, but when I try to activate the scene, I get this error:

Failed to call service scene/turn_on. None for dictionary value @ data[‘rgb_color’]

Here’s my code:

- id: 'scene_Sunrise_Random'
  name: 'Sunrise Random'
  entities:
    light.kitchen_1:
      state: 'on'
      brightness: 123
      rgb_color: >
        "{{ [ [255,144,44], [255,0,60], [255, 138, 0], [250, 190,40] ] | random }}"
    light.kitchen_2:
      state: 'on'
      brightness: 123
      rgb_color: >
        "{{ [ [255,144,44], [255,0,60], [255, 138, 0], [250, 190,40] ] | random }}"
    light.kitchen_3:
      state: 'on'
      brightness: 123
      rgb_color: >
        "{{ [ [255,144,44], [255,0,60], [255, 138, 0], [250, 190,40] ] | random }}"
    light.kitchen_4:
      state: 'on'
      brightness: 123
      rgb_color: >
        "{{ [ [255,144,44], [255,0,60], [255, 138, 0], [250, 190,40] ] | random }}"
    light.kitchen_5:
      state: 'on'
      brightness: 123
      rgb_color: >
        "{{ [ [255,144,44], [255,0,60], [255, 138, 0], [250, 190,40] ] | random }}"
    light.kitchen_6:
      state: 'on'
      brightness: 123
      rgb_color: >
        "{{ [ [255,144,44], [255,0,60], [255, 138, 0], [250, 190,40] ] | random }}"
    light.livingroom_lamp:
      state: 'on'
      brightness: 123
      rgb_color: >
        "{{ [ [255,144,44], [255,0,60], [255, 138, 0], [250, 190,40] ] | random }}"

Update: I have now also tried round brackets with both double and single quotes for the RGB combos (same error):

      rgb_color: >
        '{{ [ (255,144,44), (255,0,60), (255, 138, 0), (250, 190,40) ] | random }}'

      rgb_color: >
        "{{ [ (255,144,44), (255,0,60), (255, 138, 0), (250, 190,40) ] | random }}"

…and this:

      rgb_color: >
        {% set combos = [ (255,144,44), (255,0,60), (255, 138, 0), (250, 190,40) ] %}
        "{{ combos|random }}"

Suggestions welcome, thanks!