arcadiasuite/plus/public/assets/scss/custom/components/_custom-forms.scss

//
// custom-forms.scss
//

@each $state in map-keys($theme-colors) {
    .form-checkbox-#{$state}, .form-radio-#{$state} {
        .form-check-input {
            &:checked {
                background-color: var(--#{$prefix}#{$state});
                border-color: var(--#{$prefix}#{$state});
            }
        }
    }
}