#90DDFF Hex Color
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Bright and airy, #90ddff is a high-key cyan that leans heavily into pastel territory. Because it is so light and unsaturated, it functions best as a dominant base color for UI backgrounds or baby-oriented branding. It pairs surprisingly well with deep charcoal or burnt orange to avoid looking washed out. If you are experimenting with mixing white, this hex code demonstrates how significant lightness reduces saturation.
Questions about #90ddff
What is #90ddff in RGB, HSL and CMYK?
In RGB, #90ddff is rgb(144, 221, 255), in HSL hsl(198, 100%, 78%) and in CMYK 44%, 13%, 0%, 0%.
What colors pair best with #90ddff?
#90ddff works best when balanced against high-contrast, deep neutrals or bold, warm accents to keep the design from feeling washed out. Pair it with charcoal for text readability or burnt orange to create a striking, energetic visual contrast.
Is #90ddff readable on white or black?
#90ddff has a 1.50:1 contrast ratio on white and 13.97:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.