#57FF57 Color

#57FF57 is rgb(87, 255, 87) in RGB, hsl(120, 100%, 67%) in HSL, and about cmyk(66%, 0%, 66%, 0%) 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 6.67. Black text is the more readable choice on this background.

#57FF57

HEX#57FF57

RGBrgb(87, 255, 87)

HSLhsl(120, 100%, 67%)

HSVhsv(120, 66%, 100%)

CMYKcmyk(66%, 0%, 66%, 0%)

OKLCHoklch(88.1% 0.25 143.1)

LABlab(89.11% -68.01 63.91)

LCHlch(89.11% 93.33 136.78)

What #57FF57 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 #57FF57, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Screamin' Green#66FF66ΔE 6.67 Erin#00FF40ΔE 11.53 SGBUS Green#55DD33ΔE 13.33 Malachite#0BDA51ΔE 17.02 Neon Green#39FF14ΔE 17.65 Lime Green#32CD32ΔE 17.96

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

#57FF57 Channel Values

How #57FF57 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 87 · G 255 · B 87	8-bit channels as sent to the display
HSL	H 120° · S 100% · L 67%	Easiest model for building lighter and darker variants
HSV	H 120° · S 66% · V 100%	Matches the picker in most design tools
CMYK	C 66% · M 0% · Y 66% · K 0%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	1.33:1 vs white · 15.85:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #57FF57 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 text1.33:1AA normal AA large AAA normal

TextBlack text15.85:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #57FF57 in the contrast checker.

Colors That Go With #57FF57

Pairings derived from color-wheel relationships. The complementary color sits opposite #57FF57; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #57FF57

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

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #57FF57.

How #57FF57 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#57FF57

Protanopia#EDED59

Protanomaly#C3F458

Deuteranopia#DADA61

Deuteranomaly#B4EA5D

Tritanopia#7FF2F2

Tritanomaly#71F7C7

Achromatopsia#E0E0E0

Test a full palette in the color blindness simulator.

Using #57FF57 in Code

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

CSS custom property--color-57ff57: #57FF57;

CSS backgroundbackground-color: #57FF57;

Tailwind configcolors: { 'color-57ff57': '#57FF57' }

SwiftUIColor(red: 0.341, green: 1.000, blue: 0.341)

Android XML<color name="color_57ff57">#57FF57</color>

SVG fillfill="#57FF57"

More Green Colors

#57FF57 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

5b6238 568f00 5c7b1e 56887d 5c995c 55dd33 5cb800 556b2f 5da493 50c878 5e7357 507d2a 6bff6b 8f9779 9fcf3f b3ffe5 cfdeb5 e9fce9 006600 00b300 047b04 196719 2eff2e 3b7a57

#57FF57 Frequently Asked Questions

What color is #57FF57?

#57FF57 is a light green — rgb(87, 255, 87) in RGB and hsl(120, 100%, 67%) 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 6.67.

What is the RGB value of #57FF57?

#57FF57 is rgb(87, 255, 87) — red 87, green 255, and blue 87 on the 0-255 scale.

What is the CMYK value of #57FF57?

#57FF57 converts to approximately cmyk(66%, 0%, 66%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #57FF57 be black or white?

Black text is the more readable choice. #57FF57 scores 1.33:1 against white and 15.85:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #57FF57 as a CSS color keyword?

No. #57FF57 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 17.96, which is visibly different.

Open #57FF57 in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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