v1/web/themes/contrib/gin/styles/base/_system-modules.scss

.system-modules,
.system-modules-uninstall {
  label {
    color: var(--gin-color-title);
  }

  details {
    color: var(--gin-color-text);
  }
}

.admin-requirements,
.admin-required {
  color: var(--gin-color-text-light);
}