You can adjust the colors with card_mod if the timer-bar-card is embedded in an entities card
type: entities
entities:
- type: custom:timer-bar-card
sync_issues: fix
state_color: true
entity: timer.timer
translations:
idle: RUN
card_mod:
style:
timer-bar-entity-row:
$:
div.generic-entity-row: |
div.text-content.value.pointer {
color: blue !important;
padding-right:10px
}