#66DEF4 Hex Color
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This high-saturation cyan brings a fresh, electric energy to UI designs. Because #66def4 is quite bright, it works best as a punchy accent color rather than a large background field, which can overwhelm the eye. It pairs unexpectedly well with deep charcoal grays or warm corals for a modern, high-contrast look. The hex code for this color is #66def4.
Questions about #66def4
What is #66def4 in RGB, HSL and CMYK?
In RGB, #66def4 is rgb(102, 222, 244), in HSL hsl(189, 87%, 68%) and in CMYK 58%, 9%, 0%, 4%.
What colors pair well with #66def4 in a UI design?
Is #66def4 readable on white or black?
#66def4 has a 1.57:1 contrast ratio on white and 13.31:1 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.