$color-families: map-merge($color-families, (
  'ui': (
    'footer': color(brand, columbiaBlue),
    'footerAlt': color(brand, catskillBlue),
    'link': color(brand, logoBlue),
    'focus': color(brand, prussianBlue),
    'button-base-fg': color(brand, prussianBlue)
  ),
  'uiFooter': (
    'fg': color(black),
    'bg': color(brand, columbiaBlue),
    'bg2': color(brand, catskillBlue)
  ),
  'uiLink': (
    'fgBase': color(brand, logoBlue)
  )
));
$color-families: map-merge($color-families, (
  'ui': (
    'footer': color(brand, columbiaBlue),
    'footerAlt': color(brand, catskillBlue),
    'link': color(brand, logoBlue),
    'focus': color(brand, prussianBlue),
    'button-base-fg': color(brand, prussianBlue)
  ),
  'uiFooter': (
    'fg': color(black),
    'bg': color(brand, columbiaBlue),
    'bg2': color(brand, catskillBlue)
  ),
  'uiHeader': (
    'topFg': color(black),
    'topBg': color(brand, columbiaBlue),
    'navDropdownBg': color(gray, plus2)
  ),
  'uiMinibasket': (
    'minibasketBg': color(gray, plus2),
    'minibasketSeparator': color(gray, plus1),
    'minibasketItemBg': color(white),
    'minibasketItemHighlight': color(brand, prussianBlue),
    'minibasketPromoBg': color(brand, columbiaBlue),
    'minibasketPromoFg': color(black),
    'minibasketGeneralFg': color(gray, minus1)
  ),
  'uiLink': (
    'fgBase': color(brand, logoBlue)
  )
));

Add functional color maps for `uiHeader` and `uiMinibasket`.
feat(Color): Add functional color maps for `uiHeader` and `uiMinibasket`.
