#2AFF00 Hex Color
Online color picker to view shades, tints, color codes, and complementary colors
#2aff00 is a highly saturated, luminous green with a slight yellow undertone and a sparkling neon feel. Its energy suits sustainability, gardening, pharmacy, and safety-focused designs, but it can overwhelm when used across large areas. Use it as an accent with dark neutrals; black text remains highly readable at about 15.4:1 contrast. The hex code is #2aff00.
Questions about #2aff00
What is #2aff00 in RGB, HSL and CMYK?
In RGB, #2aff00 is rgb(42, 255, 0), in HSL hsl(110, 100%, 50%) and in CMYK 84%, 0%, 100%, 0%. Browse more shades of green with names and hex codes.
What colors pair well with #2aff00?
#2aff00 pairs best with dark neutrals, charcoal-like grays, and deep blue accents that contain its intense brightness. Keep supporting colors restrained so the neon green remains a deliberate focal point rather than competing with the entire palette.
Where should designers use #2aff00?
#2aff00 works best as a small accent for sustainability branding, safety indicators, gardening products, and energetic display type. Its extreme saturation can cause visual fatigue across large surfaces, so pair it with quieter backgrounds and generous spacing.
Is #2aff00 readable on white or black?
#2aff00 has a 1.36:1 contrast ratio on white and 15.40:1 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.