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#57D663 Color

#57D663 is rgb(87, 214, 99) in RGB, hsl(126, 61%, 59%) in HSL, and about cmyk(59%, 0%, 54%, 16%) in CMYK. It has no registered color name of its own — the closest is Pastel Green (#77DD77), clearly related but distinguishable side by side at ΔE 9.75. Black text is the more readable choice on this background.

#57D663
HEX#57D663
RGBrgb(87, 214, 99)
HSLhsl(126, 61%, 59%)
HSVhsv(126, 59%, 84%)
CMYKcmyk(59%, 0%, 54%, 16%)
OKLCHoklch(77.9% 0.192 145.1)
LABlab(76.73% -54.11 45.16)
LCHlch(76.73% 70.48 140.15)

What #57D663 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 #57D663, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

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

#57D663 Channel Values

How #57D663 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 87 · G 214 · B 998-bit channels as sent to the display
HSLH 126° · S 61% · L 59%Easiest model for building lighter and darker variants
HSVH 126° · S 59% · V 84%Matches the picker in most design tools
CMYKC 59% · M 0% · Y 54% · K 16%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.87:1 vs white · 11.2:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #57D663 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 text1.87:1AA normal AA large AAA normal
TextBlack text11.2:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #57D663 in the contrast checker.

Colors That Go With #57D663

Pairings derived from color-wheel relationships. The complementary color sits opposite #57D663; 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 #57D663

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 #57D663.

How #57D663 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#57D663
Protanopia#C7C764
Protanomaly#A6CD64
Deuteranopia#B8B869
Deuteranomaly#9BC567
Tritanopia#71CCCC
Tritanomaly#68D0AC
Achromatopsia#BDBDBD

Test a full palette in the color blindness simulator.

Using #57D663 in Code

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

CSS custom property--color-57d663: #57D663;
CSS backgroundbackground-color: #57D663;
Tailwind configcolors: { 'color-57d663': '#57D663' }
SwiftUIColor(red: 0.341, green: 0.839, blue: 0.388)
Android XML<color name="color_57d663">#57D663</color>
SVG fillfill="#57D663"

More Green Colors

#57D663 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

#57D663 Frequently Asked Questions

What color is #57D663?

#57D663 is a mid-tone green — rgb(87, 214, 99) in RGB and hsl(126, 61%, 59%) in HSL. It carries no registered color name of its own; the closest named color is Pastel Green (#77DD77), which is clearly related but distinguishable side by side at a CIE76 distance of 9.75.

What is the RGB value of #57D663?

#57D663 is rgb(87, 214, 99) — red 87, green 214, and blue 99 on the 0-255 scale.

What is the CMYK value of #57D663?

#57D663 converts to approximately cmyk(59%, 0%, 54%, 16%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #57D663 be black or white?

Black text is the more readable choice. #57D663 scores 1.87:1 against white and 11.2:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #57D663 as a CSS color keyword?

No. #57D663 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 lightgreen (#90EE90) at a CIE76 distance of 17.24, which is visibly different.

Open #57D663 in a Tool

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