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#EFFF75 Color

#EFFF75 is rgb(239, 255, 117) in RGB, hsl(67, 100%, 73%) in HSL, and about cmyk(6%, 0%, 54%, 0%) in CMYK. It has no registered color name of its own — the closest is Butter (#FFFD74), clearly related but distinguishable side by side at ΔE 7.29. Black text is the more readable choice on this background.

#EFFF75
HEX#EFFF75
RGBrgb(239, 255, 117)
HSLhsl(67, 100%, 73%)
HSVhsv(67, 54%, 100%)
CMYKcmyk(6%, 0%, 54%, 0%)
OKLCHoklch(96.1% 0.162 115)
LABlab(96.81% -18.99 62.70)
LCHlch(96.81% 65.51 106.85)

What #EFFF75 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 #EFFF75, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Butter#FFFD74ΔE 7.29Laser Lemon#FFFF66ΔE 9.61Maximum Green Yellow#D9E650ΔE 10.12Icterine#FCF75EΔE 11.42Mindaro#E3F988ΔE 11.64Booger Buster#DDE26AΔE 12.1

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

#EFFF75 Channel Values

How #EFFF75 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 239 · G 255 · B 1178-bit channels as sent to the display
HSLH 67° · S 100% · L 73%Easiest model for building lighter and darker variants
HSVH 67° · S 54% · V 100%Matches the picker in most design tools
CMYKC 6% · M 0% · Y 54% · K 0%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.09:1 vs white · 19.23:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #EFFF75 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 text1.09:1AA normal AA large AAA normal
TextBlack text19.23:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #EFFF75 in the contrast checker.

Colors That Go With #EFFF75

Pairings derived from color-wheel relationships. The complementary color sits opposite #EFFF75; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#EFFF75
Complementary
#8575FF
Analogous
#FFCA75
Analogous
#AAFF75
Triadic
#75EFFF
Triadic
#FF75EF
Split comp.
#75AAFF
Split comp.
#CA75FF

Tints & Shades of #EFFF75

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

#F1FF8A
#F3FF99
#F5FFAD
#F7FFBD
#FAFFD1
#FBFFE0

Shades

#E9FF42
#E3FF0F
#C2DB00
#99AD00
#6C7A00
#3F4700

Want a full 50-950 ramp with semantic roles? Generate design tokens from #EFFF75.

How #EFFF75 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#EFFF75
Protanopia#FCFC75
Protanomaly#F7FD75
Deuteranopia#FAFA76
Deuteranomaly#F6FC76
Tritanopia#FBF3F3
Tritanomaly#F7F8CD
Achromatopsia#F5F5F5

Test a full palette in the color blindness simulator.

Using #EFFF75 in Code

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

CSS custom property--color-efff75: #EFFF75;
CSS backgroundbackground-color: #EFFF75;
Tailwind configcolors: { 'color-efff75': '#EFFF75' }
SwiftUIColor(red: 0.937, green: 1.000, blue: 0.459)
Android XML<color name="color_efff75">#EFFF75</color>
SVG fillfill="#EFFF75"

More Green Colors

#EFFF75 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#EFFF75 Frequently Asked Questions

What color is #EFFF75?

#EFFF75 is a light green — rgb(239, 255, 117) in RGB and hsl(67, 100%, 73%) in HSL. It carries no registered color name of its own; the closest named color is Butter (#FFFD74), which is clearly related but distinguishable side by side at a CIE76 distance of 7.29.

What is the RGB value of #EFFF75?

#EFFF75 is rgb(239, 255, 117) — red 239, green 255, and blue 117 on the 0-255 scale.

What is the CMYK value of #EFFF75?

#EFFF75 converts to approximately cmyk(6%, 0%, 54%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #EFFF75 be black or white?

Black text is the more readable choice. #EFFF75 scores 1.09:1 against white and 19.23:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #EFFF75 as a CSS color keyword?

No. #EFFF75 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 khaki (#F0E68C) at a CIE76 distance of 23.04, which is visibly different.

Open #EFFF75 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.