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#42FA54 Color

#42FA54 is rgb(66, 250, 84) in RGB, hsl(126, 95%, 62%) in HSL, and about cmyk(74%, 0%, 66%, 2%) in CMYK. It has no registered color name of its own — the closest is Screamin' Green (#66FF66), clearly related but distinguishable side by side at ΔE 7.93. Black text is the more readable choice on this background.

#42FA54
HEX#42FA54
RGBrgb(66, 250, 84)
HSLhsl(126, 95%, 62%)
HSVhsv(126, 74%, 98%)
CMYKcmyk(74%, 0%, 66%, 2%)
OKLCHoklch(86.4% 0.253 144.2)
LABlab(87.14% -70.22 62.82)
LCHlch(87.14% 94.21 138.18)

What #42FA54 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 #42FA54, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Screamin' Green#66FF66ΔE 7.93Erin#00FF40ΔE 10.49SGBUS Green#55DD33ΔE 13.58Malachite#0BDA51ΔE 15.2Vivid Malachite#00CC33ΔE 16.47Lime Green#32CD32ΔE 16.93

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

#42FA54 Channel Values

How #42FA54 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 250 · B 848-bit channels as sent to the display
HSLH 126° · S 95% · L 62%Easiest model for building lighter and darker variants
HSVH 126° · S 74% · V 98%Matches the picker in most design tools
CMYKC 74% · M 0% · Y 66% · K 2%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.4:1 vs white · 15.03:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #42FA54 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 text1.4:1AA normal AA large AAA normal
TextBlack text15.03:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #42FA54 in the contrast checker.

Colors That Go With #42FA54

Pairings derived from color-wheel relationships. The complementary color sits opposite #42FA54; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#42FA54
Complementary
#FA42E8
Analogous
#8CFA42
Analogous
#42FAB1
Triadic
#5442FA
Triadic
#FA5442
Split comp.
#B142FA
Split comp.
#FA428C

Tints & Shades of #42FA54

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

#5BFB6B
#74FB81
#8DFC98
#AAFDB3
#C3FDC9
#DCFEE0

Shades

#1AF931
#06E01C
#05B817
#049012
#03680D
#023C07

Want a full 50-950 ramp with semantic roles? Generate design tokens from #42FA54.

How #42FA54 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#42FA54
Protanopia#E7E756
Protanomaly#BCEF55
Deuteranopia#D4D45F
Deuteranomaly#ADE45B
Tritanopia#71EDED
Tritanomaly#61F2C3
Achromatopsia#DADADA

Test a full palette in the color blindness simulator.

Using #42FA54 in Code

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

CSS custom property--color-42fa54: #42FA54;
CSS backgroundbackground-color: #42FA54;
Tailwind configcolors: { 'color-42fa54': '#42FA54' }
SwiftUIColor(red: 0.259, green: 0.980, blue: 0.329)
Android XML<color name="color_42fa54">#42FA54</color>
SVG fillfill="#42FA54"

More Green Colors

#42FA54 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#42FA54 Frequently Asked Questions

What color is #42FA54?

#42FA54 is a light green — rgb(66, 250, 84) in RGB and hsl(126, 95%, 62%) in HSL. It carries no registered color name of its own; the closest named color is Screamin' Green (#66FF66), which is clearly related but distinguishable side by side at a CIE76 distance of 7.93.

What is the RGB value of #42FA54?

#42FA54 is rgb(66, 250, 84) — red 66, green 250, and blue 84 on the 0-255 scale.

What is the CMYK value of #42FA54?

#42FA54 converts to approximately cmyk(74%, 0%, 66%, 2%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #42FA54 be black or white?

Black text is the more readable choice. #42FA54 scores 1.4:1 against white and 15.03:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #42FA54 as a CSS color keyword?

No. #42FA54 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 limegreen (#32CD32) at a CIE76 distance of 16.93, which is visibly different.

Open #42FA54 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.