Pre 2022.9 blueprint for Home Assistant to match color_temp lights to the suns color_temp, [For more recent versions of HA see here](https://gist.github.com/HarvsG/cc86381dc99169159d6d4cd870c36e46)

deprecated_match_color_temp.yaml

blueprint:
  name: Match Outside Colour Temperature
  description: When a light turns on or the sun elevation changes match the outside colour temperature. It will apply to any bulb that supports color temperature. It triggers whenever a bulb turns on, on sun elevation changes and every 5 minutes.
  domain: automation
  input:
    target_lights:
      name: Lights
      description:  The lights to be controlled
      selector:
          entity:
            domain: light
            multiple: true
    min_color_temp:
      name: Minimum Color Temperature
      description:  The coolest color your bulbs will be set to
      default: 250
      selector:
        color_temp:
            min_mireds: 153
            max_mireds: 500
    max_color_temp:
      name: Maximum Color Temperature
      description:  The warmest color your bulbs will be set to
      default: 454
      selector:
        color_temp:
            min_mireds: 153
            max_mireds: 500
    brightness_action:
      name: Brightness
      description: When a device turns on its color temperature will be set, this may interfere with the brightness, this action will run half a second later to set the light's brightness.
      selector:
        action:
      default:
      - service: light.turn_on
        data:
          brightness: >-
            {{max(trigger.to_state.attributes.brightness,2)}}
        target:
          entity_id: >-
            {{trigger.entity_id}}
        alias: Default - Set light to its original brightness, don't use brightness 1 as it causes issues with some bulbs
variables:
  target_lights: !input target_lights
  target_on_lights: >-
    {{states.light | selectattr('state','eq','on') |
    selectattr('attributes.supported_color_modes','match',".*color_temp.*")
    | map(attribute='entity_id') | select("in",target_lights) | list }}
  min_color_temp: !input min_color_temp
  max_color_temp: !input max_color_temp
  color_temp: >-
    {{ [([((1000000/(4791.67 - 3290.66/(1 + 0.222 *
    ([([0,state_attr('sun.sun',
    'elevation')]|max),90]|min**0.81))))|int),min_color_temp]|max),max_color_temp]|min}}
trigger:
  - platform: state
    entity_id: !input target_lights
    to: "on"
    id: single_light_on
  - platform: state
    entity_id:
      - sun.sun
    attribute: elevation
    id: elevation_change
  - platform: time_pattern
    minutes: "5"
    id: every_5_min
condition:
  - condition: template
    value_template: >-
      {{ (states.light | selectattr('state','eq','on') |
      map(attribute='entity_id') | list)!= [] }}
action:
  - choose:
      - conditions:
          - condition: trigger
            id: single_light_on
        sequence:
          - service: light.turn_on
            data:
              color_temp: "{{color_temp}}"
              transition: 0
            target:
              entity_id: "{{trigger.entity_id}}"
          - delay:
              milliseconds: 500
          - choose:
            default: !input brightness_action
      - conditions:
          - condition: or
            conditions:
              - condition: trigger
                id: every_5_min
              - condition: trigger
                id: elevation_change
        sequence:
          - service: light.turn_on
            data:
              color_temp: "{{color_temp}}"
              transition: 5
            target:
              entity_id: "{{target_on_lights}}"
mode: parallel