#3F6D64 is a mid-toned, cool cyan. On the Color Lab it reads restrained and easy to live with. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #3F6D64 works with other colors. Named schemes with #3F6D64 in its natural role, and a note on why the supporting colors balance it.
Myrtle Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Myrtle Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Myrtle 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.
Myrtle Green anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.
Myrtle 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 Myrtle Green carrying the quiet middle.
How #3F6D64 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 #3F6D64 at work across the surfaces designers actually ship.
:root {
--color-base: #3F6D64;
--color-base-rgb: 63 109 100;
--color-base-oklch: oklch(49.9% 0.053 180.1);
--color-50: #F5FAF9;
--color-100: #E5F0EE;
--color-200: #CBE1DD;
--color-300: #A6C9C2;
--color-400: #83AFA6;
--color-500: #639289;
--color-600: #50726B;
--color-700: #3D524E;
--color-800: #2A3734;
--color-900: #1B2221;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
myrtle-green: {
50: '#F5FAF9',
100: '#E5F0EE',
200: '#CBE1DD',
300: '#A6C9C2',
400: '#83AFA6',
500: '#639289',
600: '#50726B',
700: '#3D524E',
800: '#2A3734',
900: '#1B2221',
},
}
$base: #3F6D64; $base-ink: #FFFFFF; $base-50: #F5FAF9; $base-100: #E5F0EE; $base-200: #CBE1DD; $base-300: #A6C9C2; $base-400: #83AFA6; $base-500: #639289; $base-600: #50726B; $base-700: #3D524E; $base-800: #2A3734; $base-900: #1B2221; $base-hover: #335851; $base-subtle: #C2D7D3;
{
"color": {
"base": {
"value": "#3F6D64",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F5FAF9",
"type": "color"
},
"100": {
"value": "#E5F0EE",
"type": "color"
},
"200": {
"value": "#CBE1DD",
"type": "color"
},
"300": {
"value": "#A6C9C2",
"type": "color"
},
"400": {
"value": "#83AFA6",
"type": "color"
},
"500": {
"value": "#639289",
"type": "color"
},
"600": {
"value": "#50726B",
"type": "color"
},
"700": {
"value": "#3D524E",
"type": "color"
},
"800": {
"value": "#2A3734",
"type": "color"
},
"900": {
"value": "#1B2221",
"type": "color"
}
}
}
}