Put the text cursor on any color value in a CSS file and press <span class="key">Cmd/Ctrl</span> + <span class="key">E</span> to open the color picker.
Stajśo tekstowy kursor na někaku barwnu gódnotu w CSS-dataji a tłocćo <span class="key">Cmd/Strg</span> + <span class="key">E</span>, aby barwny wuběrak wócynił.