Peek-a-Blue
Also known as: Wishy-Washy Blue , Cold Wave , Mellifluous Blue , Cold Air Turquoise
On screen, Peek-a-Blue registers as crisp and refreshing: a pale cyan at home in tech interfaces and water themes. For contrast, pair it with a pink from its complementary palette below. Accessibility-wise, it needs a dark backdrop: 15.23:1 on black clears AA.
Reference
Peek-a-Blue color codes
- HEX
- #C5E1E1
- RGB
- rgb(197, 225, 225)
- RGBA
- rgba(197, 225, 225, 1)
- HSL
- hsl(180, 32%, 83%)
- HSV
- hsv(180, 12%, 88%)
- CMYK
- cmyk(12%, 0%, 0%, 12%)
- LAB
- lab(87.5 -9.6 -3.3)
- OKLCH
- oklch(88.9% 0.030 196.6)
Analysis
Color intelligence
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Gamut
The full range of colors a device or space can show. sRGB is the common screen gamut; Display P3 is wider. A color outside a gamut cannot be shown accurately there and must be mapped inward.Full glossary entry →Displays accurately on every screen and translates well to print.
Temperature
Undertone
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neutral, leaning cool
subtle cyan undertone in this near-neutral
Nearest standard colors
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Delta E (ΔE)
A measure of how different two colors look. Below 1 the difference is invisible to almost everyone; below 2.3 most people can't tell them apart; above 10 they are clearly different colors. We use CIEDE2000, the modern standard.Full glossary entry →
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Delta E (ΔE)
A measure of how different two colors look. Below 1 the difference is invisible to almost everyone; below 2.3 most people can't tell them apart; above 10 they are clearly different colors. We use CIEDE2000, the modern standard.Full glossary entry →- CSS: powderblue #B0E0E6 · ΔE 5.1
- RAL 7035: Light grey #CBD0CC · ΔE 8.7 · approximate
RAL values are widely published approximations of the physical standard. For Pantone-adjacent workflows, match by eye against a physical fan deck. Pantone's values are proprietary and device-dependent, so we don't print lookups.
Where Peek-a-Blue works
- Web & UI: Use it decoratively for dividers, chart series, and illustration accents, and let neutrals carry the type.
- Interiors: Muted enough to paint all four walls; sample it in both daylight and evening light before committing.
- Fashion: One garment in this color carries an outfit; two starts to compete.
- Branding: The safest brand-primary family there is; differentiate with an unexpected accent.
- Interiors: Use it where you want the eye to land: a front door, built-ins, or one bold wall.
- Branding: Best in a brand's supporting palette: packaging interiors, patterns, campaign accents.
Copy as: every ecosystem
Variations
Tints, shades, and tones of Peek-a-Blue
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Tint
A color mixed with white, which raises its lightness. Pink is a tint of red. Tints feel softer and more open than the base color.Full glossary entry →
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Tint
A color mixed with white, which raises its lightness. Pink is a tint of red. Tints feel softer and more open than the base color.Full glossary entry →Tints (lighter)
Shades (darker)
Harmonies
Color harmonies
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Complementary colors
Two colors opposite each other on the wheel. They create the strongest contrast and make each other look more intense, so they work best used unevenly.Full glossary entry →
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Complementary colors
Two colors opposite each other on the wheel. They create the strongest contrast and make each other look more intense, so they work best used unevenly.Full glossary entry →Palettes built from Peek-a-Blue by rotating its hue in OKLCH space. Click any swatch to copy its hex code.
Complementary
Analogous
Triadic
Split-complementary
Tetradic
Monochromatic
Accessibility
Contrast & accessibility
Aa on white
contrast 1.38:1
AA fail AAA fail AA large fail
Aa on black
contrast 15.23:1
AA pass AAA pass AA large pass
Best text color on a Peek-a-Blue background: #000000
Palettes
Palettes featuring Peek-a-Blue
Peek-a-Blue with its complement
Soft neighbors of Peek-a-Blue
Peek-a-Blue triad
Explore
Similar colors
- Cold Wave #C2E2E3 · ΔE 1.1
- Poolside #BEE0E2 · ΔE 1.8
- Swimming #C2E5E5 · ΔE 2.0
- Swan Lake #C5E5E2 · ΔE 2.0
- Teardrop #D1EAEA · ΔE 2.3
- Quick-Freeze #BDDBE1 · ΔE 3.0
Looking for maximum contrast instead? The complement of Peek-a-Blue is closest to Fresco .
FAQ
Peek-a-Blue FAQs
What color is Peek-a-Blue?
Peek-a-Blue is a light cyan with the hex code #C5E1E1. In HSL terms it has a hue of 180°, 32% saturation, and 83% lightness.
What is the hex code for Peek-a-Blue?
The hex code for Peek-a-Blue is #C5E1E1. In RGB it's rgb(197, 225, 225), and in CMYK it's cmyk(12%, 0%, 0%, 12%).
What colors go well with Peek-a-Blue?
Peek-a-Blue pairs naturally with pink tones from its complementary harmony. Its own tints and shades always work as a monochrome scheme.
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