Aquatic
Also known as: Porcelain Blue , Blue Chalk , Rest Assured , Alluring Blue
With its cool undertone, Aquatic (#99C1CC) comes across as clean and modern. Designers reach for it in tech interfaces and water themes. Reach for a orange companion shade to give Aquatic maximum contrast. Against dark backgrounds it stays legible (10.85:1), but avoid it as text on white.
Reference
Aquatic color codes
- HEX
- #99C1CC
- RGB
- rgb(153, 193, 204)
- RGBA
- rgba(153, 193, 204, 1)
- HSL
- hsl(193, 33%, 70%)
- HSV
- hsv(193, 25%, 80%)
- CMYK
- cmyk(25%, 5%, 0%, 20%)
- LAB
- lab(75.4 -11.9 -10.2)
- OKLCH
- oklch(78.6% 0.045 216.4)
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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cool
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: lightblue #ADD8E6 · ΔE 5.8
- RAL 6034: Pastel turquoise #7FB0B2 · ΔE 7.4 · 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 Aquatic 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: Wears best as the statement piece, a top, scarf, or shoes, against neutral basics.
- 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.
- Branding: A secondary brand color by nature: it supports a stronger primary and shines in illustration.
Copy as: every ecosystem
Variations
Tints, shades, and tones of Aquatic
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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 Aquatic 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 1.93:1
AA fail AAA fail AA large fail
Aa on black
contrast 10.85:1
AA pass AAA pass AA large pass
Best text color on a Aquatic background: #000000
Palettes
Palettes featuring Aquatic
Aquatic with its complement
Soft neighbors of Aquatic
Aquatic triad
Explore
Similar colors
- Airborne #A2C2D0 · ΔE 3.1
- Wave #A5CED5 · ΔE 3.7
- Juvie #8ABBD0 · ΔE 4.1
- Dolphin #86C4DA · ΔE 4.6
- Gentle Sky #99BDD2 · ΔE 4.9
- Sky Fall #89C6DF · ΔE 5.2
Looking for maximum contrast instead? The complement of Aquatic is closest to Prosciutto .
FAQ
Aquatic FAQs
What color is Aquatic?
Aquatic is a medium cyan with the hex code #99C1CC. In HSL terms it has a hue of 193°, 33% saturation, and 70% lightness.
What is the hex code for Aquatic?
The hex code for Aquatic is #99C1CC. In RGB it's rgb(153, 193, 204), and in CMYK it's cmyk(25%, 5%, 0%, 20%).
What colors go well with Aquatic?
Aquatic pairs naturally with orange tones from its complementary harmony, and with pink accents from its split-complementary palette. Its own tints and shades always work as a monochrome scheme.
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