#999AA3 is a mid neutral with only a whisper of temperate cast. On the Color Lab it reads clean and engineered, restrained and easy to live with. It holds up as a large surface and reproduces cleanly in print.
Not just a swatch — here's how #999AA3 works with other colors. Named schemes with #999AA3 in its natural role, and a note on why the supporting colors balance it.
Cadet Grey sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.
Cadet Grey opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Cadet Grey is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Cadet Grey.
Cadet Grey keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Cadet Grey 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 Cadet Grey carrying the quiet middle.
How #999AA3 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 #999AA3 at work across the surfaces designers actually ship.
:root {
--color-base: #999AA3;
--color-base-rgb: 153 154 163;
--color-base-oklch: oklch(68.8% 0.013 281.0);
--color-50: #F7F7F8;
--color-100: #EAEAEC;
--color-200: #D4D5D8;
--color-300: #B4B5BB;
--color-400: #95969D;
--color-500: #76767F;
--color-600: #5D5E65;
--color-700: #45454A;
--color-800: #2F2F32;
--color-900: #1D1E20;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
cadet-grey: {
50: '#F7F7F8',
100: '#EAEAEC',
200: '#D4D5D8',
300: '#B4B5BB',
400: '#95969D',
500: '#76767F',
600: '#5D5E65',
700: '#45454A',
800: '#2F2F32',
900: '#1D1E20',
},
}
$base: #999AA3; $base-ink: #141310; $base-50: #F7F7F8; $base-100: #EAEAEC; $base-200: #D4D5D8; $base-300: #B4B5BB; $base-400: #95969D; $base-500: #76767F; $base-600: #5D5E65; $base-700: #45454A; $base-800: #2F2F32; $base-900: #1D1E20; $base-hover: #787985; $base-subtle: #E1E1E3;
{
"color": {
"base": {
"value": "#999AA3",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F7F7F8",
"type": "color"
},
"100": {
"value": "#EAEAEC",
"type": "color"
},
"200": {
"value": "#D4D5D8",
"type": "color"
},
"300": {
"value": "#B4B5BB",
"type": "color"
},
"400": {
"value": "#95969D",
"type": "color"
},
"500": {
"value": "#76767F",
"type": "color"
},
"600": {
"value": "#5D5E65",
"type": "color"
},
"700": {
"value": "#45454A",
"type": "color"
},
"800": {
"value": "#2F2F32",
"type": "color"
},
"900": {
"value": "#1D1E20",
"type": "color"
}
}
}
}