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#C0FF42 Color

#C0FF42 is rgb(192, 255, 66) in RGB, hsl(80, 100%, 63%) in HSL, and about cmyk(25%, 0%, 74%, 0%) in CMYK. It has no registered color name of its own — the closest is Green Lizard (#A7F432), clearly related but distinguishable side by side at ΔE 6.84. Black text is the more readable choice on this background.

#C0FF42
HEX#C0FF42
RGBrgb(192, 255, 66)
HSLhsl(80, 100%, 63%)
HSVhsv(80, 74%, 100%)
CMYKcmyk(25%, 0%, 74%, 0%)
OKLCHoklch(92.5% 0.216 126.8)
LABlab(93.34% -39.10 76.93)
LCHlch(93.34% 86.29 116.94)

What #C0FF42 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #C0FF42, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Green Lizard#A7F432ΔE 6.84Green Yellow#ADFF2FΔE 8.2Lime (Color Wheel)#BFFF00ΔE 10.97French Lime#9EFD38ΔE 11.58Arctic Lime#D0FF14ΔE 11.78Electric Lime#CCFF00ΔE 12.33

Browse the full index of named colors A-Z or every green in the library.

#C0FF42 Channel Values

How #C0FF42 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 192 · G 255 · B 668-bit channels as sent to the display
HSLH 80° · S 100% · L 63%Easiest model for building lighter and darker variants
HSVH 80° · S 74% · V 100%Matches the picker in most design tools
CMYKC 25% · M 0% · Y 74% · K 0%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.19:1 vs white · 17.62:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #C0FF42 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text1.19:1AA normal AA large AAA normal
TextBlack text17.62:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #C0FF42 in the contrast checker.

Colors That Go With #C0FF42

Pairings derived from color-wheel relationships. The complementary color sits opposite #C0FF42; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#C0FF42
Complementary
#8142FF
Analogous
#FFE042
Analogous
#62FF42
Triadic
#42C0FF
Triadic
#FF42C0
Split comp.
#4262FF
Split comp.
#E042FF

Tints & Shades of #C0FF42

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#C9FF5C
#D1FF75
#DAFF8F
#E2FFA8
#EBFFC2
#F3FFDB

Shades

#B2FF1A
#9CEB00
#81C200
#639400
#476B00
#293D00

Want a full 50-950 ramp with semantic roles? Generate design tokens from #C0FF42.

How #C0FF42 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#C0FF42
Protanopia#F6F643
Protanomaly#E2F943
Deuteranopia#EDED4A
Deuteranomaly#DCF447
Tritanopia#D2F1F1
Tritanomaly#CBF7C4
Achromatopsia#EBEBEB

Test a full palette in the color blindness simulator.

Using #C0FF42 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-c0ff42: #C0FF42;
CSS backgroundbackground-color: #C0FF42;
Tailwind configcolors: { 'color-c0ff42': '#C0FF42' }
SwiftUIColor(red: 0.753, green: 1.000, blue: 0.259)
Android XML<color name="color_c0ff42">#C0FF42</color>
SVG fillfill="#C0FF42"

More Green Colors

#C0FF42 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#C0FF42 Frequently Asked Questions

What color is #C0FF42?

#C0FF42 is a light green — rgb(192, 255, 66) in RGB and hsl(80, 100%, 63%) in HSL. It carries no registered color name of its own; the closest named color is Green Lizard (#A7F432), which is clearly related but distinguishable side by side at a CIE76 distance of 6.84.

What is the RGB value of #C0FF42?

#C0FF42 is rgb(192, 255, 66) — red 192, green 255, and blue 66 on the 0-255 scale.

What is the CMYK value of #C0FF42?

#C0FF42 converts to approximately cmyk(25%, 0%, 74%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #C0FF42 be black or white?

Black text is the more readable choice. #C0FF42 scores 1.19:1 against white and 17.62:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #C0FF42 as a CSS color keyword?

No. #C0FF42 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is greenyellow (#ADFF2F) at a CIE76 distance of 8.2, which is clearly related but distinguishable side by side.

Open #C0FF42 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every green in the color library, the guide to shades of green, or the full color library.