Color #42d421
A vivid, highly saturated medium green.
Conversions
#42d421
rgb(66, 212, 33)
hsl(108.9, 73.1%, 48%)
hsv(108.9, 84.4%, 83.1%)
cmyk(68.9%, 0%, 84.4%, 16.9%)
lab(75.05, -67.6, 68.59)
lch(75.05, 96.3, 134.58)
oklch(76.3%, 0.2386, 140.83)
hwb(108.9, 12.9%, 16.9%)
Harmony colors
Accessibility
Black text reads better on this background (10.67:1). That passes WCAG AAA (≥7:1) for normal-size text.
Under color vision deficiencies
Protanopia
#989a73 · ΔE 24.7
Deuteranopia
#90857e · ΔE 36.5
Tritanopia
#529399 · ΔE 37.1
Achromatopsia
#b9b9b9 · ΔE 30.4
Left half is the original, right half is the simulated appearance. See all 8 vision types →
Code
background-color: #42d421;
bg-[#42d421]
Related colors
Frequently asked questions
#42d421 (#42d421) is rgb(66, 212, 33) in RGB.
No, #42d421 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.
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Try it →Build something with this color
Generate a full palette from #42d421, or check how it holds up for accessibility.