:root,
ti-chat {
    /* --ti-chat-brand-color: var(--color-primary) !important;
    --ti-chat-brand-contrast-color: rgb(55, 55, 55) !important; */
    --ti-chat-brand-color: rgb(111, 111, 111) !important;
    --ti-chat-brand-contrast-color: rgb(255, 255, 255) !important;
}