Curated

Afterglow Cobalt

#FEFF0B

#00E9D2

#146DFF

Text readability

Curated NeonBold

Afterglow Cobalt is a neon and bold 3-colour linear gradient that runs from yellow (#FEFF0B) through teal (#00E9D2) to blue (#146DFF) at 45°. It suits gaming, music and nightlife designs and banners and attention-grabbing headers. Black text reads best on it, at a contrast ratio of 10.1:1 against the gradient’s average colour (AAA). Check every point, not just the average →

CSS

background: linear-gradient(45deg, #FEFF0B, #00E9D2, #146DFF);

Tailwind

bg-gradient-to-tr from-[#FEFF0B] via-[#00E9D2] to-[#146DFF]

Figma token

{
    "afterglow-cobalt": {
        "value": "linear-gradient(45deg, #FEFF0B 0%, #00E9D2 50%, #146DFF 100%)",
        "type": "color"
    }
}

Afterglow Cobalt gradient for SwiftUI, Flutter, Android and more

The same gradient, same direction, ready for your app or design system.

let afterglowCobaltGradient = LinearGradient(
    colors: [
        Color(red: 0.996, green: 1, blue: 0.043),
        Color(red: 0, green: 0.914, blue: 0.824),
        Color(red: 0.078, green: 0.427, blue: 1)
    ],
    startPoint: UnitPoint(x: 0, y: 1),
    endPoint: UnitPoint(x: 1, y: 0)
)

// Usage
Rectangle().fill(afterglowCobaltGradient)

val afterglowCobaltColors = listOf(Color(0xFFFEFF0B), Color(0xFF00E9D2), Color(0xFF146DFF))

Modifier.drawBehind {
    drawRect(
        Brush.linearGradient(
            colors = afterglowCobaltColors,
            start = Offset(size.width * 0f, size.height * 1f),
            end = Offset(size.width * 1f, size.height * 0f)
        )
    )
}

<!-- res/drawable/afterglow-cobalt_gradient.xml -->
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <gradient
        android:angle="45"
        android:startColor="#FEFF0B"
        android:centerColor="#00E9D2"
        android:endColor="#146DFF"
        android:type="linear" />
</shape>

const afterglowCobaltGradient = LinearGradient(
    begin: Alignment(-1, 1),
    end: Alignment(1, -1),
    colors: [Color(0xFFFEFF0B), Color(0xFF00E9D2), Color(0xFF146DFF)],
);

// Usage
Container(decoration: const BoxDecoration(gradient: afterglowCobaltGradient))

import { LinearGradient } from 'expo-linear-gradient';

<LinearGradient
  colors={['#FEFF0B', '#00E9D2', '#146DFF']}
  start={{ x: 0, y: 1 }}
  end={{ x: 1, y: 0 }}
  style={{ flex: 1 }}
/>

<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="630" viewBox="0 0 1200 630">
  <defs>
    <linearGradient id="afterglow-cobalt" x1="0" y1="1" x2="1" y2="0">
      <stop offset="0%" stop-color="#FEFF0B" />
      <stop offset="50%" stop-color="#00E9D2" />
      <stop offset="100%" stop-color="#146DFF" />
    </linearGradient>
  </defs>
  <rect width="100%" height="100%" fill="url(#afterglow-cobalt)" />
</svg>

:root {
  --afterglow-cobalt-1: #FEFF0B;
  --afterglow-cobalt-2: #00E9D2;
  --afterglow-cobalt-3: #146DFF;
  --afterglow-cobalt-angle: 45deg;
  --afterglow-cobalt: linear-gradient(var(--afterglow-cobalt-angle), var(--afterglow-cobalt-1), var(--afterglow-cobalt-2), var(--afterglow-cobalt-3));
}

.hero {
  background: var(--afterglow-cobalt);
}

$afterglow-cobalt-1: #FEFF0B;
$afterglow-cobalt-2: #00E9D2;
$afterglow-cobalt-3: #146DFF;
$afterglow-cobalt: linear-gradient(45deg, $afterglow-cobalt-1, $afterglow-cobalt-2, $afterglow-cobalt-3);

@mixin afterglow-cobalt-bg {
  background: $afterglow-cobalt-1;
  background: $afterglow-cobalt;
}

Colours in the Afterglow Cobalt gradient

Stop	Name	HEX	RGB	HSL
1	Yellow	`#FEFF0B`	`rgb(254, 255, 11)`	`hsl(60, 100%, 52%)`
2	Teal	`#00E9D2`	`rgb(0, 233, 210)`	`hsl(174, 100%, 46%)`
3	Blue	`#146DFF`	`rgb(20, 109, 255)`	`hsl(217, 100%, 54%)`

Afterglow Cobalt gradient in use

Build something beautifulA hero section on the Afterglow Cobalt gradientGet started

Button

Card accentAs a border or progress bar

Gradient text

Afterglow Cobalt gradient variations

Reversed

Horizontal

Radial

Conic

Softer

Deeper

Smooth (OKLCH)

Hard stops

Download as an image

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Frequently asked questions

What are the hex codes for the Afterglow Cobalt gradient?

The Afterglow Cobalt gradient uses 3 colours: #FEFF0B, #00E9D2 and #146DFF, at an angle of 45°.

How do I use the Afterglow Cobalt gradient in CSS?

Paste background: linear-gradient(45deg, #FEFF0B, #00E9D2, #146DFF); into any element’s styles. For Tailwind, use the class list in the Tailwind block above.

What text colour works on the Afterglow Cobalt gradient?

Black text has the best contrast, at 10.1:1 against the gradient’s average colour, which is AAA. Check the lightest and darkest ends too if text spans the whole gradient.