Skip to content

#42FF8E Color

#42FF8E is rgb(66, 255, 142) in RGB, hsl(144, 100%, 63%) in HSL, and about cmyk(74%, 0%, 44%, 0%) in CMYK. It has no registered color name of its own — the closest is Spring Green (#00FF7F), clearly related but distinguishable side by side at ΔE 8.68. Black text is the more readable choice on this background.

#42FF8E
HEX#42FF8E
RGBrgb(66, 255, 142)
HSLhsl(144, 100%, 63%)
HSVhsv(144, 74%, 100%)
CMYKcmyk(74%, 0%, 44%, 0%)
OKLCHoklch(88.3% 0.214 151.9)
LABlab(89.18% -66.21 40.03)
LCHlch(89.18% 77.37 148.84)

What #42FF8E 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 #42FF8E, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Spring Green#00FF7FΔE 8.68Medium Spring Green#00FA9AΔE 8.77Very Light Malachite Green#64E986ΔE 14.02Android Green#3DDC84ΔE 16.78Malachite#0BDA51ΔE 17.71Screamin' Green#66FF66ΔE 18.78

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

#42FF8E Channel Values

How #42FF8E 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 66 · G 255 · B 1428-bit channels as sent to the display
HSLH 144° · S 100% · L 63%Easiest model for building lighter and darker variants
HSVH 144° · S 74% · V 100%Matches the picker in most design tools
CMYKC 74% · M 0% · Y 44% · K 0%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.32:1 vs white · 15.93:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #42FF8E 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 text1.32:1AA normal AA large AAA normal
TextBlack text15.93:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #42FF8E in the contrast checker.

Colors That Go With #42FF8E

Pairings derived from color-wheel relationships. The complementary color sits opposite #42FF8E; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#42FF8E
Complementary
#FF42B4
Analogous
#55FF42
Analogous
#42FFEC
Triadic
#8E42FF
Triadic
#FF8E42
Split comp.
#EC42FF
Split comp.
#FF4255

Tints & Shades of #42FF8E

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

#5CFF9D
#75FFAC
#8FFFBC
#A8FFCB
#C2FFDA
#DBFFEA

Shades

#1AFF75
#00EB5E
#00C24E
#00943B
#006B2B
#003D18

Want a full 50-950 ramp with semantic roles? Generate design tokens from #42FF8E.

How #42FF8E 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#42FF8E
Protanopia#ECEC8F
Protanomaly#C0F48F
Deuteranopia#D8D894
Deuteranomaly#B0E992
Tritanopia#6BF4F4
Tritanomaly#5DF9D3
Achromatopsia#E0E0E0

Test a full palette in the color blindness simulator.

Using #42FF8E in Code

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

CSS custom property--color-42ff8e: #42FF8E;
CSS backgroundbackground-color: #42FF8E;
Tailwind configcolors: { 'color-42ff8e': '#42FF8E' }
SwiftUIColor(red: 0.259, green: 1.000, blue: 0.557)
Android XML<color name="color_42ff8e">#42FF8E</color>
SVG fillfill="#42FF8E"

More Green Colors

#42FF8E sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#42FF8E Frequently Asked Questions

What color is #42FF8E?

#42FF8E is a light green — rgb(66, 255, 142) in RGB and hsl(144, 100%, 63%) in HSL. It carries no registered color name of its own; the closest named color is Spring Green (#00FF7F), which is clearly related but distinguishable side by side at a CIE76 distance of 8.68.

What is the RGB value of #42FF8E?

#42FF8E is rgb(66, 255, 142) — red 66, green 255, and blue 142 on the 0-255 scale.

What is the CMYK value of #42FF8E?

#42FF8E converts to approximately cmyk(74%, 0%, 44%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #42FF8E be black or white?

Black text is the more readable choice. #42FF8E scores 1.32:1 against white and 15.93:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #42FF8E as a CSS color keyword?

No. #42FF8E 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 springgreen (#00FF7F) at a CIE76 distance of 8.68, which is clearly related but distinguishable side by side.

Open #42FF8E 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.