#40EFC1 Hex Color
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Bright and highly saturated, #40efc1 is a cool teal with green undertones and a clean, neon-like glow. It brings clarity and energy to wellness, healthcare, technology, and communication interfaces. Use it as a focused accent beside deep navy rather than a full-page background. The hex code #40efc1 supports clear black text, with about a 14.3:1 contrast ratio.
Questions about #40efc1
What is #40efc1 in RGB, HSL and CMYK?
In RGB, #40efc1 is rgb(64, 239, 193), in HSL hsl(164, 85%, 59%) and in CMYK 73%, 0%, 19%, 6%.
What colors pair well with #40efc1?
Deep navy pairs especially well with #40efc1 because it grounds the bright, high-energy teal while preserving its crisp contrast; charcoal offers a softer neutral alternative for interfaces that need less visual intensity. Keep #40efc1 for buttons, links, icons, or other focused accents rather than full-page backgrounds.
Is #40efc1 a warm or cool color?
#40efc1 reads as a cool teal because its strong green-cyan balance leans toward blue rather than yellow; its high saturation gives it a clean, energetic glow that feels refreshing and digital instead of earthy or subdued.
Is #40efc1 readable on white or black?
#40efc1 has a 1.46:1 contrast ratio on white and 14.33:1 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.