gajim-plural/gajim/data/style/default.css

.gajim-incoming-nickname {
    color: rgb(164, 0, 0)
    }
.gajim-outgoing-nickname {
    color: rgb(52, 101, 164)
    }
.gajim-outgoing-message-text {
    color: rgb(85, 87, 83)
    }
.gajim-status-message {
    color: rgb(78, 154, 6)
    }
.gajim-url {
    color: rgb(32, 74, 135)
    }
.gajim-highlight-message {
    color: rgb(255, 128, 128)
    }
.gajim-restored-message {
    color: rgb(85, 87, 83)
    }
.gajim-roster-disconnected {
    background: rgb(171 ,97 ,97)
    }
.gajim-roster-connected {
    background: rgb(173, 195, 198)
    }