tim.kicker.dev/themes/minima/layout/partial/tcolor.ejs

<style>
  a:not(.icon) {
    text-decoration-color: #<%= theme.tcolor %>;
    background-image: linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0) 50%,
      #<%= theme.tcolor %> 50%
    );
  }
  blockquote {
    border-left: 8px solid #<%= theme.tcolor %>;
  }
  .nanobar .bar {
    background: #<%= theme.tcolor %>;
  }
  .button.button-primary:hover,
  button.button-primary:hover,
  input[type="submit"].button-primary:hover,
  input[type="reset"].button-primary:hover,
  input[type="button"].button-primary:hover,
  .button.button-primary:focus,
  button.button-primary:focus,
  input[type="submit"].button-primary:focus,
  input[type="reset"].button-primary:focus,
  input[type="button"].button-primary:focus {
    background-color: #<%= theme.tcolor %>;
    border-color: #<%= theme.tcolor %>;
  }
  input[type="email"]:focus,
  input[type="number"]:focus,
  input[type="search"]:focus,
  input[type="text"]:focus,
  input[type="tel"]:focus,
  input[type="url"]:focus,
  input[type="password"]:focus,
  textarea:focus,
  select:focus {
    border: 1px solid #<%= theme.tcolor %>;
  }
</style>