#39FF03 Hex Color

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Hex color #39ff03 graphic
#39ff03 is an intensely saturated, high-lightness green with a sharp, glowing presence. Its electric character suits eco-tech branding, sustainability campaigns, gardening graphics, and small interface accents. Use it sparingly beside charcoal or deep navy, since its brightness can overwhelm large areas. Black text reads clearly over it, with about 15.5:1 contrast. The hex code is #39ff03.

Questions about #39ff03

What is #39ff03 in RGB, HSL and CMYK?
In RGB, #39ff03 is rgb(57, 255, 3), in HSL hsl(107, 100%, 51%) and in CMYK 78%, 0%, 99%, 0%.
What colors pair well with #39ff03?
#39ff03 pairs well with charcoal, deep navy, and near-black backgrounds, which give its bright yellow-green hue room to stand out without competing for attention. Use it for buttons, highlights, or small graphic elements rather than broad fields.
Where can #39ff03 work well in a design?
#39ff03 works best as a focused accent in eco-tech branding, sustainability graphics, gardening layouts, calls to action, and small interface details, where its electric brightness draws attention without covering the whole composition.
Is #39ff03 readable on white or black?
#39ff03 has a 1.35:1 contrast ratio on white and 15.47:1 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.