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#42C2AD Color

#42C2AD is rgb(66, 194, 173) in RGB, hsl(170, 51%, 51%) in HSL, and about cmyk(66%, 0%, 11%, 24%) in CMYK. It has no registered color name of its own — the closest is Keppel (#3AB09E), clearly related but distinguishable side by side at ΔE 6.76. Black text is the more readable choice on this background.

#42C2AD
HEX#42C2AD
RGBrgb(66, 194, 173)
HSLhsl(170, 51%, 51%)
HSVhsv(170, 66%, 76%)
CMYKcmyk(66%, 0%, 11%, 24%)
OKLCHoklch(73.9% 0.115 179.9)
LABlab(71.16% -40.19 -0.22)
LCHlch(71.16% 40.19 180.31)

What #42C2AD 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 #42C2AD, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Keppel#3AB09EΔE 6.76Light Sea Green#20B2AAΔE 8.88Medium Aquamarine#66CDAAΔE 9.49Tiffany Blue#0ABAB5ΔE 9.5Persian Green#00A693ΔE 10.35Medium Turquoise#48D1CCΔE 10.37

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

#42C2AD Channel Values

How #42C2AD 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 66 · G 194 · B 1738-bit channels as sent to the display
HSLH 170° · S 51% · L 51%Easiest model for building lighter and darker variants
HSVH 170° · S 66% · V 76%Matches the picker in most design tools
CMYKC 66% · M 0% · Y 11% · K 24%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.2:1 vs white · 9.55:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #42C2AD 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 text2.2:1AA normal AA large AAA normal
TextBlack text9.55:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #42C2AD in the contrast checker.

Colors That Go With #42C2AD

Pairings derived from color-wheel relationships. The complementary color sits opposite #42C2AD; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#42C2AD
Complementary
#C24258
Analogous
#42C26D
Analogous
#4297C2
Triadic
#AD42C2
Triadic
#C2AD42
Split comp.
#C24297
Split comp.
#C26D42

Tints & Shades of #42C2AD

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

#5DCBB8
#74D2C2
#8FDBCE
#AAE4DA
#C5ECE6
#DCF4F0

Shades

#37A996
#2F9282
#27776A
#1E5C52
#15413A
#0E2A26

Want a full 50-950 ramp with semantic roles? Generate design tokens from #42C2AD.

How #42C2AD 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#42C2AD
Protanopia#B4B4AD
Protanomaly#94BAAD
Deuteranopia#A6A6AF
Deuteranomaly#89B2AF
Tritanopia#4BC0C0
Tritanomaly#47C1B8
Achromatopsia#AFAFAF

Test a full palette in the color blindness simulator.

Using #42C2AD in Code

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

CSS custom property--color-42c2ad: #42C2AD;
CSS backgroundbackground-color: #42C2AD;
Tailwind configcolors: { 'color-42c2ad': '#42C2AD' }
SwiftUIColor(red: 0.259, green: 0.761, blue: 0.678)
Android XML<color name="color_42c2ad">#42C2AD</color>
SVG fillfill="#42C2AD"

More Teal Colors

#42C2AD sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424f5ffff002a38f0ffff002d2eeefbfb003333ecfeff003542ecf7f9003838ebffff00646600999900ebeb0d161619292924fbff36747d50bfe673a9c28dd9ccaec6cfccffff

#42C2AD Frequently Asked Questions

What color is #42C2AD?

#42C2AD is a mid-tone teal — rgb(66, 194, 173) in RGB and hsl(170, 51%, 51%) in HSL. It carries no registered color name of its own; the closest named color is Keppel (#3AB09E), which is clearly related but distinguishable side by side at a CIE76 distance of 6.76.

What is the RGB value of #42C2AD?

#42C2AD is rgb(66, 194, 173) — red 66, green 194, and blue 173 on the 0-255 scale.

What is the CMYK value of #42C2AD?

#42C2AD converts to approximately cmyk(66%, 0%, 11%, 24%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #42C2AD be black or white?

Black text is the more readable choice. #42C2AD scores 2.2:1 against white and 9.55:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #42C2AD as a CSS color keyword?

No. #42C2AD 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 lightseagreen (#20B2AA) at a CIE76 distance of 8.88, which is clearly related but distinguishable side by side.

Open #42C2AD 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.