Colorful icons

[gall21]

Hello Everybody.
Can someone explain me how can i change color icons like on this screen.
Tank You .

 

[Zer01ne]

Add these codes to your extra.less

#xfCustom_krsol-1, #insertImage-1 {
    color: #FB724B;
}
#xfCustom_krsag-1, #insertLink-1 {
    color: #A3CE71;
}
#xfCustom_kbaslik2-1, #fontSize-1 {
    color: #FCD872;
}
#xfCustom_harita-1, #strikeThrough-1, #align-1 {
    color: #EC7EBD;
}
#xfCustom_fa-1, #underline-1, #xfCustom_chat-1 {
    color: #F35369;
}
#xfCustom_tooltip-1, #xfCustom_alinti-1, #italic-1 {
    color: #6BCEBB;
}
#xfCustom_tbr2-1, #xfInsert-1, #bold-1 {
    color: #8C72CB;
}
#xfCustom_tbr-1, #xfSmilie-1, #clearFormatting-1 {
    color: #54C7EC;
}
#xfCustom_kaynak-1, #color-1, #xfList-1 {
    color: #6BCEBB;
}
#redo-1, #undo-1 {
    color: #A3CE71;
}
#xfCustom_kbaslik-1, #fontFamily-1, #xfDraft-1 {
    color: #FB724B;
}
#xfBbCode-1 {
    color: #d61f22;
}