Aimero
February 11, 2026, 10:50am
1
Hi there, I want to change the color in the overview depending if the TRVs are Heating, Idle or off.
Currently I have this configured, but it doesn’t differenciate between idle and off
- type: state-icon
entity: climate.it_thermostat
style:
top: 85.2%
left: 9.7%
"--state-climate-off-color": blue
"--state-climate-idle-color": green
"--state-climate-heat-color": red
Do you have suggestions or solutions how to solve this?
You probably meant a Picture elements card.
Here is an example for Demo ecobee:
type: picture-elements
elements:
- type: state-icon
entity: climate.ecobee
style:
top: 10%
left: 50%
"--state-climate-off-color": blue
"--state-climate-idle-color": green
"--state-climate-heat_cool-color": red
image: https://demo.home-assistant.io/stub_config/floorplan.png
(heat_cool - because this is one of possible modes of the device)
Please next time post a code accorgingly to forum rules, currently it is unformatted & cannot be analysed.
Aimero
February 12, 2026, 12:24pm
3
Sorry, I forgot the code element.
Oh yeah, right. Picture elements.
I did exactly what you posted. It’s the same.
But there is no difference between idle and off. In both states the icon remains blue (in my example).
If I change the “off” value to another color, the idle and off color change the accordingly
heat (red) works though
Open your climate entity in Dev tools → State & see what modes does it support.
Make sure that it can be “idle”.
Aimero
February 12, 2026, 12:33pm
5
hvac_modes:
- "off"
- auto
- heat
min_temp: 4
max_temp: 35
target_temp_step: 0.5
current_temperature: 22.9
temperature: 22
hvac_action: idle
friendly_name: Service Thermostat
supported_features: 385
it has a hvac action “idle”
So I guess it is not possible?
It is a Sonoff TRVZB
Aimero:
hvac_action
I honestly do not know a meaning of this property.
Can you make a physical device to be “idle”? Does the entity have the “idle” state then?
Aimero
February 12, 2026, 1:10pm
7
the HVAC mode can be Auto, Heat, or off.
But the State is shown in the middle as “idle” when it doesn’t heat right now but isn’t off either
when heating it looks like this:
I see. not having myself HVAC, so asking.
And what is a state of this “climate” entity when the label is “idle”? Check in Dev tools.
Aimero
February 12, 2026, 1:31pm
9
This is IDLE
hvac_modes:
- "off"
- auto
- heat
min_temp: 4
max_temp: 35
target_temp_step: 0.5
current_temperature: 23.4
temperature: 22
hvac_action: idle
friendly_name: "Vertrieb/IT Thermostat "
supported_features: 385
This is heating
hvac_modes:
- "off"
- auto
- heat
min_temp: 4
max_temp: 35
target_temp_step: 0.5
current_temperature: 23.3
temperature: 24
hvac_action: heating
friendly_name: "Vertrieb/IT Thermostat "
supported_features: 385
This is off
hvac_modes:
- "off"
- auto
- heat
min_temp: 4
max_temp: 35
target_temp_step: 0.5
current_temperature: 23.4
temperature: 7
hvac_action: idle
friendly_name: "Vertrieb/IT Thermostat "
supported_features: 385
You are showing attributes, but what a state is?
CSS theme color variables are used dependently on a state.
Aimero
February 12, 2026, 1:35pm
11
Well, this is what it shows or am I looking at the wrong place?
Exactly what is needed.
Means - when the entity has “hvac_action: idle”, it’s state is “off”.
That is why you have same color.
But don’t worry, if you need to differentiate the “idle” mode in this card - it can be done by card-mod. A custom solution is needed, not out-of-box.
To style a color of an icon in Picture elements card, check this way:
google “picture elements small tutorial” → 1st post → style elements conditionally
Come back if you get any troubles.
Aimero
February 12, 2026, 1:58pm
13
Cool thanks! I’ll try that
1 Like
Note that you need to change a color ONLY when the attribute “hvac_action = idle”, otherwise default “out-of-box” color should be applied.
1 Like