Fertility Green
#66fc00
Lime-bright green with balanced, fertile warmth in palettes
About Fertility Green
Fertility Green looks like fresh leaf color that got dialed slightly lighter and kept its bite. It doesn't go icy like Cathode Green, and it doesn't turn yellowish like Acid does. Where Cathode feels almost sterile and Acid can feel a bit punchy-warm, Fertility lands as a steadier, mid-high saturation green with a more natural, "grown" undertone.
I usually reach for it in medical device interfaces where status needs to feel legible without feeling cold, and in precision instrumentation UI when you want indicators to read clearly but still feel grounded. It's also great for ops and lab dashboards that mix charts with form controls, because it won't scream the way Alien Abduction can after a few screens.
Caution: on very dark, high-contrast layouts it can start to look a little candy-coated. Pair it with charcoal, not pure black, if you want it to stay controlled rather than neon-prone.
Code snippets
Copy this color into your project.
Contrast checker
WCAG 2.1 contrast ratios. AA requires 4.5:1 for normal text, 3:1 for large. AAA requires 7:1 / 4.5:1.
On White #ffffff
On Gray 100 #f5f5f5
On Gray 900 #18181b
On Black #000000
Variations
Shades
Darker variations, created by mixing toward black.
Tints
Lighter variations, created by mixing toward white.
Tones
Muted variations, created by reducing saturation.
Hues
Hue rotations around the color wheel.
Temperatures
Warm and cool shifts of this color.
Color harmonies
Suggested palettes
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Community palettes
Published palettes that include this color.
