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#57CBB6 Color

#57CBB6 is rgb(87, 203, 182) in RGB, hsl(169, 53%, 57%) in HSL, and about cmyk(57%, 0%, 10%, 20%) in CMYK. It has no registered color name of its own — the closest is Medium Aquamarine (#66CDAA), clearly related but distinguishable side by side at ΔE 7.79. Black text is the more readable choice on this background.

#57CBB6
HEX#57CBB6
RGBrgb(87, 203, 182)
HSLhsl(169, 53%, 57%)
HSVhsv(169, 57%, 80%)
CMYKcmyk(57%, 0%, 10%, 20%)
OKLCHoklch(77% 0.11 179.4)
LABlab(74.68% -38.14 0.11)
LCHlch(74.68% 38.14 179.84)

What #57CBB6 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 #57CBB6, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Medium Aquamarine#66CDAAΔE 7.79Medium Turquoise#48D1CCΔE 9.3Keppel#3AB09EΔE 9.69Turquoise#40E0D0ΔE 10.55Pearl Aqua#88D8C0ΔE 10.97Light Sea Green#20B2AAΔE 11.58

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

#57CBB6 Channel Values

How #57CBB6 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 203 · B 1828-bit channels as sent to the display
HSLH 169° · S 53% · L 57%Easiest model for building lighter and darker variants
HSVH 169° · S 57% · V 80%Matches the picker in most design tools
CMYKC 57% · M 0% · Y 10% · K 20%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.98:1 vs white · 10.62:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #57CBB6 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 text1.98:1AA normal AA large AAA normal
TextBlack text10.62:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #57CBB6 in the contrast checker.

Colors That Go With #57CBB6

Pairings derived from color-wheel relationships. The complementary color sits opposite #57CBB6; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#57CBB6
Complementary
#CB576D
Analogous
#57CB7C
Analogous
#57A7CB
Triadic
#B657CB
Triadic
#CBB657
Split comp.
#CB57A7
Split comp.
#CB7C57

Tints & Shades of #57CBB6

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

#6FD3C0
#86DACA
#9DE1D5
#B1E7DD
#C8EEE7
#E0F5F1

Shades

#3BBFA7
#32A48F
#298574
#20695C
#174A41
#0E2F29

Want a full 50-950 ramp with semantic roles? Generate design tokens from #57CBB6.

How #57CBB6 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#57CBB6
Protanopia#BDBDB6
Protanomaly#9FC3B6
Deuteranopia#AFAFB8
Deuteranomaly#94BBB7
Tritanopia#5EC9C9
Tritanomaly#5BCAC1
Achromatopsia#B8B8B8

Test a full palette in the color blindness simulator.

Using #57CBB6 in Code

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

CSS custom property--color-57cbb6: #57CBB6;
CSS backgroundbackground-color: #57CBB6;
Tailwind configcolors: { 'color-57cbb6': '#57CBB6' }
SwiftUIColor(red: 0.341, green: 0.796, blue: 0.714)
Android XML<color name="color_57cbb6">#57CBB6</color>
SVG fillfill="#57CBB6"

More Green Colors

#57CBB6 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#57CBB6 Frequently Asked Questions

What color is #57CBB6?

#57CBB6 is a mid-tone green — rgb(87, 203, 182) in RGB and hsl(169, 53%, 57%) in HSL. It carries no registered color name of its own; the closest named color is Medium Aquamarine (#66CDAA), which is clearly related but distinguishable side by side at a CIE76 distance of 7.79.

What is the RGB value of #57CBB6?

#57CBB6 is rgb(87, 203, 182) — red 87, green 203, and blue 182 on the 0-255 scale.

What is the CMYK value of #57CBB6?

#57CBB6 converts to approximately cmyk(57%, 0%, 10%, 20%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #57CBB6 be black or white?

Black text is the more readable choice. #57CBB6 scores 1.98:1 against white and 10.62:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #57CBB6 as a CSS color keyword?

No. #57CBB6 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 mediumaquamarine (#66CDAA) at a CIE76 distance of 7.79, which is clearly related but distinguishable side by side.

Open #57CBB6 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.