#66C948 Hex Color
Vibrant and energetic high-octane lime green
This high-octane green demands attention, making it an ideal choice for calls to action or UI accents where visibility is key. Because of its extreme saturation, avoid using it as a primary background color, as it can easily overwhelm the eye. Instead, pair it with dark charcoals or deep grays—learning what colors make gray can help here—to ground the hex code #66c948 for a balanced palette.
Questions about #66c948
What is #66c948 in RGB, HSL and CMYK?
In RGB, #66c948 is rgb(102, 201, 72), in HSL hsl(106, 54%, 54%) and in CMYK 49%, 0%, 64%, 21%.
How should I effectively pair #66c948 in a UI design?
Balance the extreme saturation of #66c948 by pairing it with charcoal or deep slate grays to ground the visual. Because this green is so high-octane, it works best as a focused accent color rather than a large background fill to avoid visual fatigue.
Is #66c948 readable on white or black?
#66c948 has a 2.09:1 contrast ratio on white and 10.01:1 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.