#138658 is a mid-toned, cool teal-green. On the Color Lab it reads organic and grounded, with a faded, vintage edge. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #138658 works with other colors. Named schemes with #138658 in its natural role, and a note on why the supporting colors balance it.
Sea Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Sea Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Sea Green plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Sea Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Sea Green is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Sea Green carrying the quiet middle.
How #138658 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.
Not a swatch to memorise — a color to build with. Here is #138658 at work across the surfaces designers actually ship.
:root {
--color-base: #138658;
--color-base-rgb: 19 134 88;
--color-base-oklch: oklch(54.9% 0.120 159.7);
--color-50: #F1FEF9;
--color-100: #DAFBEE;
--color-200: #B8F5DC;
--color-300: #87E8C1;
--color-400: #5BD7A5;
--color-500: #38BC88;
--color-600: #32906A;
--color-700: #29664D;
--color-800: #1E4234;
--color-900: #142921;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
sea-green: {
50: '#F1FEF9',
100: '#DAFBEE',
200: '#B8F5DC',
300: '#87E8C1',
400: '#5BD7A5',
500: '#38BC88',
600: '#32906A',
700: '#29664D',
800: '#1E4234',
900: '#142921',
},
}
$base: #138658; $base-ink: #FFFFFF; $base-50: #F1FEF9; $base-100: #DAFBEE; $base-200: #B8F5DC; $base-300: #87E8C1; $base-400: #5BD7A5; $base-500: #38BC88; $base-600: #32906A; $base-700: #29664D; $base-800: #1E4234; $base-900: #142921; $base-hover: #0F6B46; $base-subtle: #ABE8D0;
{
"color": {
"base": {
"value": "#138658",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FEF9",
"type": "color"
},
"100": {
"value": "#DAFBEE",
"type": "color"
},
"200": {
"value": "#B8F5DC",
"type": "color"
},
"300": {
"value": "#87E8C1",
"type": "color"
},
"400": {
"value": "#5BD7A5",
"type": "color"
},
"500": {
"value": "#38BC88",
"type": "color"
},
"600": {
"value": "#32906A",
"type": "color"
},
"700": {
"value": "#29664D",
"type": "color"
},
"800": {
"value": "#1E4234",
"type": "color"
},
"900": {
"value": "#142921",
"type": "color"
}
}
}
}