hello,
use:
ha-card {
{% if states('sensor.precio') > '0.25' %}
--text-color: red;
--card-mod-icon-color: red;
--chip-background:#f5274d;
{% elif states('sensor.precio') > '0.17' %}
--text-color: yellow;
--card-mod-icon-color: yellow;
--chip-background: #f4c700;
{% elif states('sensor.precio') > '0.10' %}
--text-color: green;
--card-mod-icon-color: green;
--chip-background: #56b32e;
{% endif %}
}
like suggested here:
https://community.home-assistant.io/t/mushroom-cards-card-mod-styling-config-guide/600472
result:
