• Yellow
  hex: #ffc23b
  scss variable: $color-accent-yellow
• Violet
  hex: #5c419e
  scss variable: $color-accent-violet
• Coral
  hex: #f4715b
  scss variable: $color-accent-coral

To add to these items, use Sass variables that start with $color-accent- in ./source/css/scss/abstracts/_variables.scss