Aero Blue (#C9FFE5)

HEX, RGB, HSL, CMYK values + mood/style/use-case color tags. Use this page to keep your colors consistent across web and print.

Preview

Sample Text
This is how text may look on this color.
Best text color: #000000
Contrast vs white: 1.11:1 — vs black: 18.92:1

Color values

  • HEX #C9FFE5
  • RGB rgb(201, 255, 229)
  • HSL hsl(151, 21%, 100%)
  • CMYK cmyk( 21.18, 0, 10.2, 0 )
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Tags

Mood

No tags yet.

Style

Pastel (210) Cool (180)

Use case

Text (210) Background (190) Print (170)

Tip: tags are heuristic suggestions (helpful for browsing and inspiration).

Color Harmonies

Colors that pair well with #C9FFE5 based on color theory relationships.

Complementary

The color directly opposite on the color wheel — creates maximum contrast and vibrance.

Aero Blue
#C9FFE5 Base
#FFC9E3
Analogous

Colors adjacent on the wheel — naturally harmonious and pleasing to the eye.

Aero Blue
#C9FFE5 Base
#C9FFCA
#C9FEFF
Triadic

Three colors equally spaced 120° apart — bold, balanced, and visually rich.

Aero Blue
#C9FFE5 Base
#E5C9FF
#FFE5C9
Split-Complementary

Two colors flanking the complement — high contrast with less tension than full complementary.

Aero Blue
#C9FFE5 Base
#FFC9FE
#FFCAC9
Tetradic (Square)

Four colors at 90° intervals — rich variety, best when one color dominates.

Aero Blue
#C9FFE5 Base
#CAC9FF
#FFC9E3
#FEFFC9
Monochromatic

Shades and tints of the same hue — cohesive, elegant, and easy to work with.

Aero Blue
#C9FFE5 Base
#30FF9B
#7DFFC0
#A0FFD1
#E6FFF3
Shades & Tints

Darker shades and lighter tints of Aero Blue, generated by adjusting lightness while keeping the same hue and saturation.

Shades (darker)

— #001A0D
— #00703A
— #00C666
— #1DFF92
— #73FFBC
Aero Blue #C9FFE5 Base
— #CFFFE8
— #D4FFEA
— #DAFFED
— #E0FFF0
— #E6FFF3
CSS & SCSS Snippets

Ready-to-use code snippets for #C9FFE5. Click the copy button to copy any snippet to your clipboard.

CSS Properties 
/* Background */
.element {
    background-color: #C9FFE5;
}

/* Text */
.element {
    color: #C9FFE5;
}

/* Border */
.element {
    border: 1px solid #C9FFE5;
}
CSS Gradient 
/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #C9FFE5,
        #FFFFFF
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #C9FFE5,
        #FFFFFF
    );
}
SCSS Variable 
// SCSS variable
$aero-blue: #C9FFE5;

// With RGB channels (useful for rgba() usage)
$aero-blue-r: 201;
$aero-blue-g: 255;
$aero-blue-b: 229;

// Usage
.element {
    background-color: $aero-blue;
    color: rgba($aero-blue-r, $aero-blue-g, $aero-blue-b, 0.8);
}
Color Blindness Simulation

How Aero Blue appears to people with different types of color vision deficiency.

Normal Vision #C9FFE5 How the color appears with full color vision.
Deuteranopia #F1F1E6 Deuteranopia affects ~8% of males. Green cones are absent, making it difficult to distinguish red from green. The most common form of color blindness.
Protanopia #FAFAE5 Protanopia affects ~1% of males. Red cones are absent, causing reds to appear dark and indistinguishable from greens and browns.
Tritanopia #CDFCFC Tritanopia is rare (~0.003%). Blue cones are absent, making blue and yellow difficult to distinguish. Blues may appear green, yellows appear pink.
Achromatopsia #F3F3F3 Achromatopsia is complete color blindness. The world is seen entirely in shades of grey. Affects ~1 in 30,000 people.
Similar Named Colors

The closest named colors to Aero Blue ranked by perceptual difference (Delta-E 2000 — lower = more similar).

Aero Blue #C9FFE5 Base
Magic Mint #AAF0D1 ΔE 4.83
Nyanza #E9FFDB ΔE 8.43
Tea Green #D0F0C0 ΔE 8.84
Pale Robin Egg Blue #96DED1 ΔE 9.54

How to use this color

  1. Copy HEX for CSS and design tools, or RGB/HSL for UI adjustments.
  2. Use CMYK when preparing print assets (posters, packaging, brochures).
  3. Check contrast before using it for text or important UI elements.