Creating Dynamic Color Schemes with Theme Options and Presets - https://www.shopify.com/partners/blog/creating-dynamic-color-schemes-with-theme-options-and-presets

dynamic-color-schemes-theme-options-presets.json

{
  "current": {
    "color_headings": "#3d4246",
    "color_links": "#2980b9",
    "color_body": "#788188",
    "color_hero": "#ffffff",
    "color_sale": "#2980b9",
    "color_borders": "#e8e9eb",
    "checkout_header_image": "",
    "checkout_logo_image": "",
    "checkout_logo_position": "left",
    "checkout_logo_size": "medium",
    "checkout_body_background_image": "",
    "checkout_body_background_color": "#fff",
    "checkout_input_background_color_mode": "white",
    "checkout_sidebar_background_image": "",
    "checkout_sidebar_background_color": "#fafafa",
    "checkout_heading_font": "Helvetica Neue",
    "checkout_body_font": "Helvetica Neue",
    "checkout_accent_color": "#1990C6",
    "checkout_button_color": "#1990C6",
    "checkout_error_color": "#ff6d6d",
    "sections": {
      "header": {
        "type": "header",
        "settings": {
          "align_logo": "left",
          "logo": "",
          "logo_max_width": "100",
          "main_linklist": "main-menu",
          "message": false,
          "message_text": "Announce something here",
          "message_link": "",
          "color_bg": "#7796A8",
          "color_text": "#fff"
        }
      },
      "footer": {
        "type": "footer",
        "settings": {
          "footer_linklist": "footer",
          "footer_linklist_two": "main-menu",
          "footer_newsletter_enable": false,
          "show_payment_icons": false
        }
      }
    },
    "content_for_index": [
    ]
  },
  "presets": {
    "Default": {
      "color_headings": "#323334",
      "color_links": "#2980b9",
      "color_body": "#788188",
      "color_hero": "#ffffff",
      "color_sale": "#2980b9",
      "color_borders": "#e8e9eb",
      "checkout_header_image": "",
      "checkout_logo_image": "",
      "checkout_logo_position": "left",
      "checkout_logo_size": "medium",
      "checkout_body_background_image": "",
      "checkout_body_background_color": "#fff",
      "checkout_input_background_color_mode": "white",
      "checkout_sidebar_background_image": "",
      "checkout_sidebar_background_color": "#fafafa",
      "checkout_heading_font": "Helvetica Neue",
      "checkout_body_font": "Helvetica Neue",
      "checkout_accent_color": "#1990C6",
      "checkout_button_color": "#1990C6",
      "checkout_error_color": "#ff6d6d",
      "sections": {
        "header": {
          "type": "header",
          "settings": {
            "align_logo": "left",
            "logo": "",
            "logo_max_width": "100",
            "main_linklist": "main-menu",
            "message": false,
            "message_text": "Announce something here",
            "message_link": "",
            "color_bg": "#7796A8",
            "color_text": "#fff"
          }
        },
        "footer": {
          "type": "footer",
          "settings": {
            "footer_linklist": "footer",
            "footer_linklist_two": "main-menu",
            "footer_newsletter_enable": false,
            "show_payment_icons": false
          }
        }
      },
      "content_for_index": [
      ]
    }
  }
}