Treasure Map Waters

Picture a weathered compass chart washed in daylight: Treasure Map Waters has that slightly muted, practical blue-green cast, not the clean sky look of Heavenly Sky. It's also less gray than Inland Waters, so it doesn't feel like overcast steel. And unlike Lake Lucerne, it holds onto a richer wateriness instead of staying purely open and airy.

I use it when the interface needs to feel calm but not distant, especially in product interfaces for health and logistics where you want panels, callouts, and secondary accents to sit quietly behind the main actions. It reads well for dashboards and finance-style tables too, because the tone is soft without becoming timid, and the one you reach for when you're trying to guide attention without adding urgency.

One small quirk: it's a touch more saturated than the nearest "recede" blues, so if the rest of your UI is very gray, it can look more present. Pair it with cleaner, slightly warmer neutrals so it stays friendly.