Wrong color temperature for 15W color bulb in ESPHome

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Background:

As-advertised, the 15W color bulb (LB01-15W) produces light from 3000k-6000k, which seems about right for the LEDs that are used.

However, in https://github.com/athom-tech/athom-configs/blob/main/athom-rgbct-light.yaml, we have this:

warm_white_color_temperature: 500 mireds

The problem:

500 mireds corresponds to a color temperature of about 2000k; a color that the bulb is incapable of natively providing.

This means that to get the advertised 3000k ("warm"), one must set the bulb to 2000k.

It also means that when setting the bulb to 3000k, the resultant color temperature is greater than 3000k.

This screws up scenes, automations, and everything else relating to color. It makes things that are somewhat tedius into things that are actually fairly difficult within environments like Home Assistant.

Proposed solution:

Change this: warm_white_color_temperature: 500 mireds

to this: warm_white_color_temperature: 333.3333 mireds

Edit 1,

Workaround

Appending this to the end of the configuration YAML for the device in Home Assistant's ESPHome dashboard works, and produces light that is consistent with my other color-adjustable bulbs. The following also adjusts the cooler part of the spectrum to the advertised 6000k (which is apparently-incorrectly ~6500k in athom-rgbct-light.yaml).

light:
  - id: !extend rgbct_light
    warm_white_color_temperature: 333.3333 mireds  # For 3000K
    cold_white_color_temperature: 167.6667 mireds  # For 6000K

edit 2, changed values so they show up rounded exactly to 3000k and 6000k in HA UI