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#66DB97 Color

#66DB97 is rgb(102, 219, 151) in RGB, hsl(145, 62%, 63%) in HSL, and about cmyk(53%, 0%, 31%, 14%) in CMYK. It has no registered color name of its own — the closest is Emerald (#50C878), clearly related but distinguishable side by side at ΔE 9.82. Black text is the more readable choice on this background.

#66DB97
HEX#66DB97
RGBrgb(102, 219, 151)
HSLhsl(145, 62%, 63%)
HSVhsv(145, 53%, 86%)
CMYKcmyk(53%, 0%, 31%, 14%)
OKLCHoklch(80.6% 0.145 155.6)
LABlab(79.39% -46.21 23.07)
LCHlch(79.39% 51.64 153.47)

What #66DB97 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 #66DB97, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Emerald#50C878ΔE 9.82Spearmint#4FE7B0ΔE 10.49Eucalyptus#44D7A8ΔE 12.04Android Green#3DDC84ΔE 13.57Caribbean Green#00CC99ΔE 13.92Medium Sea Green#3CB371ΔE 14.19

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

#66DB97 Channel Values

How #66DB97 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 102 · G 219 · B 1518-bit channels as sent to the display
HSLH 145° · S 62% · L 63%Easiest model for building lighter and darker variants
HSVH 145° · S 53% · V 86%Matches the picker in most design tools
CMYKC 53% · M 0% · Y 31% · K 14%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.73:1 vs white · 12.14:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #66DB97 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 text1.73:1AA normal AA large AAA normal
TextBlack text12.14:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #66DB97 in the contrast checker.

Colors That Go With #66DB97

Pairings derived from color-wheel relationships. The complementary color sits opposite #66DB97; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#66DB97
Complementary
#DB66AA
Analogous
#70DB66
Analogous
#66DBD1
Triadic
#9766DB
Triadic
#DB9766
Split comp.
#D166DB
Split comp.
#DB6670

Tints & Shades of #66DB97

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

#7BE0A5
#8FE5B3
#A4EAC1
#B9EFCF
#CDF3DD
#E2F8EB

Shades

#45D380
#2DBE69
#259D57
#1C7842
#145730
#0C321B

Want a full 50-950 ramp with semantic roles? Generate design tokens from #66DB97.

How #66DB97 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#66DB97
Protanopia#CDCD98
Protanomaly#ADD397
Deuteranopia#BFBF9B
Deuteranomaly#A3CB99
Tritanopia#77D4D4
Tritanomaly#70D7BF
Achromatopsia#C5C5C5

Test a full palette in the color blindness simulator.

Using #66DB97 in Code

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

CSS custom property--color-66db97: #66DB97;
CSS backgroundbackground-color: #66DB97;
Tailwind configcolors: { 'color-66db97': '#66DB97' }
SwiftUIColor(red: 0.400, green: 0.859, blue: 0.592)
Android XML<color name="color_66db97">#66DB97</color>
SVG fillfill="#66DB97"

More Green Colors

#66DB97 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#66DB97 Frequently Asked Questions

What color is #66DB97?

#66DB97 is a light green — rgb(102, 219, 151) in RGB and hsl(145, 62%, 63%) in HSL. It carries no registered color name of its own; the closest named color is Emerald (#50C878), which is clearly related but distinguishable side by side at a CIE76 distance of 9.82.

What is the RGB value of #66DB97?

#66DB97 is rgb(102, 219, 151) — red 102, green 219, and blue 151 on the 0-255 scale.

What is the CMYK value of #66DB97?

#66DB97 converts to approximately cmyk(53%, 0%, 31%, 14%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #66DB97 be black or white?

Black text is the more readable choice. #66DB97 scores 1.73:1 against white and 12.14:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #66DB97 as a CSS color keyword?

No. #66DB97 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 14.19, which is visibly different.

Open #66DB97 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.