Old Open Sea gradient

A 3-color linear CSS gradient from #56F9B3 to #003C5C, interpolated in OKLCH so the middle stays vivid.

OceanCoolGreenTeal

Stops

HEXRGBOKLCHPosition
#56F9B3 rgb(86, 249, 179) oklch(88% 0.168 161) 0%
#0098AA rgb(0, 152, 170) oklch(62.2% 0.107 209.5) 50%
#003C5C rgb(0, 60, 92) oklch(34% 0.078 240.3) 100%

CSS

The first declaration is a plain sRGB gradient for every browser. The second interpolates in OKLCH, which keeps the middle as vivid as the ends.

background: linear-gradient(180deg, #56F9B3, #0098AA, #003C5C);
background: linear-gradient(180deg in oklch, #56F9B3, #0098AA, #003C5C);

Tailwind CSS v4

bg-linear-180/oklch from-[#56F9B3] via-[#0098AA] to-[#003C5C]

Make it your own

Change the stops, angle and type in the Gradient Maker, or turn the stops into a palette.