modules/controls/src/main/resources/com/sun/javafx/scene/control/skin/caspian/caspian.css

*** 3508,3518 ****
  .custom-color-dialog .controls-pane #settings-pane .settings-label {
      -fx-min-width: 5.75em;
  }
  
  .custom-color-dialog .controls-pane #settings-pane .settings-unit {
!     -fx-max-width: 1em;
  }
  
  .custom-color-dialog .controls-pane #settings-pane .slider {
      -fx-pref-width: 8.25em;
  }
--- 3508,3521 ----
  .custom-color-dialog .controls-pane #settings-pane .settings-label {
      -fx-min-width: 5.75em;
  }
  
  .custom-color-dialog .controls-pane #settings-pane .settings-unit {
!     -fx-max-width: 1.5em;
!     -fx-min-width: 1.5em;
!     -fx-pref-width: 1.5em;
!     /* -fx-max-width: 1em; */
  }
  
  .custom-color-dialog .controls-pane #settings-pane .slider {
      -fx-pref-width: 8.25em;
  }