Replace these CSS colors by colors from the design system, then delete them from the codebase:

Black / Grey colors:

• #000000 = $black > replace by #020202 = $grey-80-
• #030403 = $header-footer-bg -> replace by #020202 = $grey-80
• #1a1a1a = none -> replace by #020202 = $grey-80
• #052a30 = $dark-tiber -> replace by #020202 = $grey-80
• #242424 = none -> replace by #23292d = $grey
• #a7a7a7 = $step-number -> unused, was removed with https://jira.greenpeace.org/browse/PLANET-5842
• #aaaaaa = none -> replace by #a3a5a7 = $grey-20 -> couldn't find it, seems unused 

Blue colors:

•  #0a3351 = $med-blue -> replace by #074365 = $dark-blue
• #094464 = $cookie-blue -> replace by #074365 = $dark-blue
• #014c8c = $menu-blue ->replace by #020202 = $grey-80
• #0058cc = $link-hover-color -> replace by #006dfd = $link-color
• #3290de = $blue-80 -> replace by #006dfd = $link-color
• #21cbca = $java-dark -> replace by #68dfde = $aquamarine
• #093944 = $blue-tiber -> replace by #074365 = $dark-blue
• #c0dbe2 = $cookie-bkg -> replace by #FFFFFF = $white -> we leave this one for now because it looks weird in white, the component will be redesigned
• #074365 = none -> replace by #074365 = $dark-blue
• #86eee7 = $spray = -> replace by #FFFFFF = $white
• #3b5998 = $facebook = -> replace by #4267b2

Green colors:

• #418482 = $faded-jade -> replace by #074365 = $dark-blue
• #0f6459 = $eden -> replace by #FFFFFF = $white
• #1e5f65 = $top-nav -> replace by #006dfd = $link-color
• #d9e6d7 = $green-20 -> replace by #FFFFFF = $white

Orange / Red colors:

• #ad2330 = $red -> replace by #F75848
• #a01604 = $red -> replace by #F75848
• #dd4a22 = $orange-active -> replace by #ee562d = $orange-hover
• #ff3333 = none -> replace by #F75848
• #faf7ec = $brown-bg -> replace by #FFFFFF = $white
• #ea7179 = $email -> replace by #8a49de

 Tasks

• Before merge, deploy that in all dev sites and ask for feedback
• Check accessibility reports before and after the change. Flag with the design team any new a11y issues.