This is the color schema I use in https://geomancer.kenny.wtf/

NOAAColorRamp.ts

export const noaaRamp = [
  { color: "#ffffff", elevation: 8000 },
  { color: "#E0D7D0", elevation: 4000 },
  { color: "#CDB99C", elevation: 2000 },
  { color: "#BA9468", elevation: 1000 },
  { color: "#9B7E43", elevation: 500 },
  { color: "#75752D", elevation: 250 },
  { color: "#456C18", elevation: 50 },
  { color: "#175515", elevation: 10 },
  { color: "#004023", elevation: 0.1 },
  { color: "#E0FCE4", elevation: 0 },
  { color: "#ABE2D7", elevation: -2 },
  { color: "#79C6CD", elevation: -10 },
  { color: "#5CACCA", elevation: -50 },
  { color: "#3F91C7", elevation: -250 },
  { color: "#2D75B0", elevation: -1000 },
  { color: "#225580", elevation: -2000 },
  { color: "#1D4052", elevation: -4000 },
  { color: "#1A3434", elevation: -8000 },
];