#42C40A
Color Details
HEX
#42C40A
RGB
rgb(66, 196, 10)
HSL
hsl(102, 90%, 40%)
CMYK
cmyk(66%, 0%, 95%, 23%)
Best text on this color
#000000 (CR 9.13:1)
Determined by WCAG contrast ratio
Readability Previews
Monochrome
Analogous
Complementary Mix
About #42C40A
#42C40A converts to RGB(66, 196, 10) and HSL(102, 90%, 40%). This page provides quick readability checks, related hues (complementary and analogous), and ready-made palettes so you can drop the color into UI components, images, or CSS immediately.
Tip: Use the “Best text” chip above as a safe default foreground on this color (chosen by contrast ratio).
#42C40A FAQs
What is the RGB value of #42C40A?
RGB: 66, 196, 10. Copy as CSS:
rgb(66, 196, 10)
Is #42C40A a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #42C40A?
Complement: #8b0ac2.
Does #42C40A have good contrast on white or black?
On white: 2.30:1 (Fails AA).
On black: 9.13:1 (AAA (normal text)).