#03BB00 Hex Color

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Hex color #03bb00 graphic
#03bb00 is a high-intensity, saturated green that demands immediate attention. Because of its extreme brightness, it works best as a 10% accent color rather than a main background. This hex code pairs surprisingly well with deep charcoal grays, which ground its electric tone. For accessibility, black text offers excellent contrast, making this shade a reliable choice for UI call-to-action buttons or alert highlights.

Questions about #03bb00

What is #03bb00 in RGB, HSL and CMYK?
In RGB, #03bb00 is rgb(3, 187, 0), in HSL hsl(119, 100%, 37%) and in CMYK 98%, 0%, 100%, 27%.
What colors pair well with #03bb00 for a balanced design?
Because #03bb00 is so intense, pairing it with deep charcoal or dark navy provides necessary visual grounding. These neutrals help tame its electric brightness, allowing the green to serve as a focused accent rather than overwhelming the interface.
Is #03bb00 a good choice for text on websites?
Using #03bb00 for text is generally poor for accessibility due to low contrast against standard backgrounds. It is much more effective as a high-visibility choice for buttons, alerts, or small UI highlights that require immediate user interaction.
Is #03bb00 readable on white or black?
#03bb00 has a 2.58:1 contrast ratio on white and 8.11:1 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.