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#4FC9B5 Color

#4FC9B5 is rgb(79, 201, 181) in RGB, hsl(170, 53%, 55%) in HSL, and about cmyk(61%, 0%, 10%, 21%) 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 8.76. Black text is the more readable choice on this background.

#4FC9B5
HEX#4FC9B5
RGBrgb(79, 201, 181)
HSLhsl(170, 53%, 55%)
HSVhsv(170, 61%, 79%)
CMYKcmyk(61%, 0%, 10%, 21%)
OKLCHoklch(76.2% 0.112 180.5)
LABlab(73.81% -39.10 -0.65)
LCHlch(73.81% 39.11 180.95)

What #4FC9B5 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 #4FC9B5, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Medium Aquamarine#66CDAAΔE 8.76Medium Turquoise#48D1CCΔE 8.77Keppel#3AB09EΔE 8.92Turquoise#40E0D0ΔE 10.19Light Sea Green#20B2AAΔE 10.42Tiffany Blue#0ABAB5ΔE 10.43

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

#4FC9B5 Channel Values

How #4FC9B5 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 79 · G 201 · B 1818-bit channels as sent to the display
HSLH 170° · S 53% · L 55%Easiest model for building lighter and darker variants
HSVH 170° · S 61% · V 79%Matches the picker in most design tools
CMYKC 61% · M 0% · Y 10% · K 21%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.03:1 vs white · 10.35:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #4FC9B5 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 text2.03:1AA normal AA large AAA normal
TextBlack text10.35:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #4FC9B5 in the contrast checker.

Colors That Go With #4FC9B5

Pairings derived from color-wheel relationships. The complementary color sits opposite #4FC9B5; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#4FC9B5
Complementary
#C94F64
Analogous
#4FC978
Analogous
#4FA1C9
Triadic
#B54FC9
Triadic
#C9B54F
Split comp.
#C94FA1
Split comp.
#C9784F

Tints & Shades of #4FC9B5

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

#67D0BF
#7ED7C9
#96DFD2
#B1E7DE
#C8EEE8
#E0F5F2

Shades

#3ABBA6
#309C8A
#288172
#1F655A
#174A42
#0D2B26

Want a full 50-950 ramp with semantic roles? Generate design tokens from #4FC9B5.

How #4FC9B5 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#4FC9B5
Protanopia#BBBBB5
Protanomaly#9BC1B5
Deuteranopia#ADADB7
Deuteranomaly#91B9B6
Tritanopia#56C7C7
Tritanomaly#53C8C0
Achromatopsia#B6B6B6

Test a full palette in the color blindness simulator.

Using #4FC9B5 in Code

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

CSS custom property--color-4fc9b5: #4FC9B5;
CSS backgroundbackground-color: #4FC9B5;
Tailwind configcolors: { 'color-4fc9b5': '#4FC9B5' }
SwiftUIColor(red: 0.310, green: 0.788, blue: 0.710)
Android XML<color name="color_4fc9b5">#4FC9B5</color>
SVG fillfill="#4FC9B5"

More Teal Colors

#4FC9B5 sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424f5ffff002a38f0ffff002d2eeefbfb003333ecfeff003542ecf7f9003838ebffff00646600999900ebeb0d161619292924fbff36747d50bfe673a9c28dd9ccaec6cfccffff

#4FC9B5 Frequently Asked Questions

What color is #4FC9B5?

#4FC9B5 is a mid-tone teal — rgb(79, 201, 181) in RGB and hsl(170, 53%, 55%) 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 8.76.

What is the RGB value of #4FC9B5?

#4FC9B5 is rgb(79, 201, 181) — red 79, green 201, and blue 181 on the 0-255 scale.

What is the CMYK value of #4FC9B5?

#4FC9B5 converts to approximately cmyk(61%, 0%, 10%, 21%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #4FC9B5 be black or white?

Black text is the more readable choice. #4FC9B5 scores 2.03:1 against white and 10.35:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #4FC9B5 as a CSS color keyword?

No. #4FC9B5 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 8.76, which is clearly related but distinguishable side by side.

Open #4FC9B5 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

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