Plein Air
Also known as: Hyacinth Tint , Stargate , Pageant Song , Angelic Blue
Plein Air brings a cool and professional feel to a palette. This soft blue suits SaaS products and finance apps. Its complement lands in orange territory, which makes for striking two-color pairings. For accessible text, use it on black or near-black backgrounds (11.89:1, passes WCAG AA) rather than white.
Reference
Plein Air color codes
- HEX
- #B9C4D2
- RGB
- rgb(185, 196, 210)
- RGBA
- rgba(185, 196, 210, 1)
- HSL
- hsl(214, 22%, 77%)
- HSV
- hsv(214, 12%, 82%)
- CMYK
- cmyk(12%, 7%, 0%, 18%)
- LAB
- lab(78.6 -1.8 -8.4)
- OKLCH
- oklch(81.6% 0.023 254.4)
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 blue 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: lightsteelblue #B0C4DE · ΔE 4.5
- RAL 7047: Telegrey 4 #CFD0CF · ΔE 8.1 · 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 Plein Air works
- Web & UI: A supporting-cast color for UI: chart fills, tags, and empty-state illustrations, but not text.
- Interiors: Soft and low-saturation: a candidate for full walls, where vivid colors overwhelm.
- Fashion: A wardrobe neutral: it anchors outfits and pairs with nearly any accent color.
- Branding: Sits in the trust register: a natural primary for finance, health, and B2B brands.
- Interiors: Strong for a whole room, excellent in doses: an accent wall, cabinetry, or a statement chair.
- Fashion: Wears best as the statement piece, a top, scarf, or shoes, against neutral basics.
Copy as: every ecosystem
Variations
Tints, shades, and tones of Plein Air
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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 Plein Air 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 1.77:1
AA fail AAA fail AA large fail
Aa on black
contrast 11.89:1
AA pass AAA pass AA large pass
Best text color on a Plein Air background: #000000
Palettes
Palettes featuring Plein Air
Plein Air with its complement
Soft neighbors of Plein Air
Plein Air triad
Explore
Similar colors
- Icebreaker #B7C2CC · ΔE 2.0
- Steel Mist #C6CEDA · ΔE 2.9
- Rendez-Blue #ABBED0 · ΔE 3.4
- Sailor Boy #AEBBD0 · ΔE 3.6
- Arctic Ice #B6BDD0 · ΔE 3.7
- Stormy #B0BCC3 · ΔE 4.2
Looking for maximum contrast instead? The complement of Plein Air is closest to Oatmeal .
FAQ
Plein Air FAQs
What color is Plein Air?
Plein Air is a light blue with the hex code #B9C4D2. In HSL terms it has a hue of 214°, 22% saturation, and 77% lightness.
What is the hex code for Plein Air?
The hex code for Plein Air is #B9C4D2. In RGB it's rgb(185, 196, 210), and in CMYK it's cmyk(12%, 7%, 0%, 18%).
What colors go well with Plein Air?
Plein Air pairs naturally with orange tones from its complementary harmony. Its own tints and shades always work as a monochrome scheme.
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