html {
  --s: 120px; /* control the size */
  --c1: #4E395D;
  --c2: #8EBE94;
  
  --_g:var(--c1) 15%,var(--c2) 0 28%,#0000 0 72%,var(--c2) 0 85%,var(--c1) 0;
  background:
    conic-gradient(from 90deg at 2px 2px,#0000 25%,var(--c1) 0) -1px -1px,
    linear-gradient(-45deg,var(--_g)),linear-gradient(45deg,var(--_g)),
    conic-gradient(from 90deg at 40% 40%,var(--c1) 25%,var(--c2) 0) 
     calc(var(--s)/-5) calc(var(--s)/-5);
  background-size: var(--s) var(--s);
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.