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#57BC81 Color

#57BC81 is rgb(87, 188, 129) in RGB, hsl(145, 43%, 54%) in HSL, and about cmyk(54%, 0%, 31%, 26%) in CMYK. It has no registered color name of its own — the closest is Medium Sea Green (#3CB371), clearly related but distinguishable side by side at ΔE 6.95. Black text is the more readable choice on this background.

#57BC81
HEX#57BC81
RGBrgb(87, 188, 129)
HSLhsl(145, 43%, 54%)
HSVhsv(145, 54%, 74%)
CMYKcmyk(54%, 0%, 31%, 26%)
OKLCHoklch(71.9% 0.129 155.5)
LABlab(69.11% -41.12 20.63)
LCHlch(69.11% 46.00 153.36)

What #57BC81 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 #57BC81, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Medium Sea Green#3CB371ΔE 6.95Green (Crayola)#1CAC78ΔE 9.86Mountain Meadow#30BA8FΔE 10.73Forest Green (Crayola)#5FA777ΔE 11.62Green Frog#00A86BΔE 11.8Shiny Shamrock#5FA778ΔE 11.87

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

#57BC81 Channel Values

How #57BC81 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 188 · B 1298-bit channels as sent to the display
HSLH 145° · S 43% · L 54%Easiest model for building lighter and darker variants
HSVH 145° · S 54% · V 74%Matches the picker in most design tools
CMYKC 54% · M 0% · Y 31% · K 26%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.36:1 vs white · 8.92:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #57BC81 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 text2.36:1AA normal AA large AAA normal
TextBlack text8.92:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #57BC81 in the contrast checker.

Colors That Go With #57BC81

Pairings derived from color-wheel relationships. The complementary color sits opposite #57BC81; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#57BC81
Complementary
#BC5792
Analogous
#60BC57
Analogous
#57BCB4
Triadic
#8157BC
Triadic
#BC8157
Split comp.
#B457BC
Split comp.
#BC5760

Tints & Shades of #57BC81

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

#6DC592
#87CFA5
#9DD8B5
#B2E0C6
#C8E9D6
#E2F3E9

Shades

#44AB6F
#3A925F
#30784E
#245B3B
#1A422B
#10281A

Want a full 50-950 ramp with semantic roles? Generate design tokens from #57BC81.

How #57BC81 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#57BC81
Protanopia#B0B081
Protanomaly#94B581
Deuteranopia#A3A384
Deuteranomaly#8BAE83
Tritanopia#65B6B6
Tritanomaly#60B8A3
Achromatopsia#A9A9A9

Test a full palette in the color blindness simulator.

Using #57BC81 in Code

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

CSS custom property--color-57bc81: #57BC81;
CSS backgroundbackground-color: #57BC81;
Tailwind configcolors: { 'color-57bc81': '#57BC81' }
SwiftUIColor(red: 0.341, green: 0.737, blue: 0.506)
Android XML<color name="color_57bc81">#57BC81</color>
SVG fillfill="#57BC81"

More Green Colors

#57BC81 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#57BC81 Frequently Asked Questions

What color is #57BC81?

#57BC81 is a mid-tone green — rgb(87, 188, 129) in RGB and hsl(145, 43%, 54%) in HSL. It carries no registered color name of its own; the closest named color is Medium Sea Green (#3CB371), which is clearly related but distinguishable side by side at a CIE76 distance of 6.95.

What is the RGB value of #57BC81?

#57BC81 is rgb(87, 188, 129) — red 87, green 188, and blue 129 on the 0-255 scale.

What is the CMYK value of #57BC81?

#57BC81 converts to approximately cmyk(54%, 0%, 31%, 26%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #57BC81 be black or white?

Black text is the more readable choice. #57BC81 scores 2.36:1 against white and 8.92:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #57BC81 as a CSS color keyword?

No. #57BC81 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 mediumseagreen (#3CB371) at a CIE76 distance of 6.95, which is clearly related but distinguishable side by side.

Open #57BC81 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.