#4DED21 Hex Color
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#4ded21 is a highly saturated, bright green with a slight yellow undertone and a neon, glowing edge. The hex code #4ded21 brings energy to sustainability, gardening, pharmacy, and eco-focused branding. Use it as a supporting accent against charcoal or deep navy; black text also reads clearly on this color for accessible interfaces.
Questions about #4ded21
What is #4ded21 in RGB, HSL and CMYK?
In RGB, #4ded21 is rgb(77, 237, 33), in HSL hsl(107, 85%, 53%) and in CMYK 68%, 0%, 86%, 7%.
What colors pair well with #4ded21?
#4ded21 pairs well with charcoal and other dark neutrals that temper its neon brightness. Use it as an accent with charcoal backgrounds or text, while muted green can soften the overall palette.
Does #4ded21 look warm or cool?
#4ded21 reads as a warm green because its strong green base is shifted toward yellow; its high saturation and brightness make it feel vivid, fresh, and energetic rather than soft or natural.
Where can #4ded21 be used effectively?
Use #4ded21 as a supporting accent in sustainability, gardening, pharmacy, and eco-focused interfaces, especially against charcoal or deep navy. Its neon intensity can overwhelm across large surfaces, so reserve it for highlights, buttons, or status cues.
Is #4ded21 readable on white or black?
#4ded21 has a 1.56:1 contrast ratio on white and 13.45:1 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.