Point 1#fde68a
Point 2#fca5a5
Point 3#fde68a
Point 4#fde68a
background:
    radial-gradient(at 20% 20%, #fde68a 0%, transparent 70%),
    radial-gradient(at 80% 20%, #fca5a5 0%, transparent 70%),
    radial-gradient(at 20% 80%, #fde68a 0%, transparent 70%),
    radial-gradient(at 80% 80%, #fde68a 0%, transparent 70%);
browserutils
Mesh Gradient Generator