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#66EBCA Color

#66EBCA is rgb(102, 235, 202) in RGB, hsl(165, 77%, 66%) in HSL, and about cmyk(57%, 0%, 14%, 8%) in CMYK. It has no registered color name of its own — the closest is Aquamarine (#7FFFD4), clearly related but distinguishable side by side at ΔE 8.29. Black text is the more readable choice on this background.

#66EBCA
HEX#66EBCA
RGBrgb(102, 235, 202)
HSLhsl(165, 77%, 66%)
HSVhsv(165, 57%, 92%)
CMYKcmyk(57%, 0%, 14%, 8%)
OKLCHoklch(85.7% 0.127 174.2)
LABlab(85.04% -44.17 4.49)
LCHlch(85.04% 44.40 174.20)

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

Aquamarine#7FFFD4ΔE 8.29Turquoise#40E0D0ΔE 10.08Eucalyptus#44D7A8ΔE 11.26Medium Aquamarine#66CDAAΔE 11.94Spearmint#4FE7B0ΔE 12.67Seafoam#93E9BEΔE 12.8

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

#66EBCA Channel Values

How #66EBCA 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 235 · B 2028-bit channels as sent to the display
HSLH 165° · S 77% · L 66%Easiest model for building lighter and darker variants
HSVH 165° · S 57% · V 92%Matches the picker in most design tools
CMYKC 57% · M 0% · Y 14% · K 8%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.47:1 vs white · 14.3:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #66EBCA 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 text1.47:1AA normal AA large AAA normal
TextBlack text14.3:1AA normal AA large AAA normal

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

Colors That Go With #66EBCA

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

Base
#66EBCA
Complementary
#EB6687
Analogous
#66EB87
Analogous
#66CAEB
Triadic
#CA66EB
Triadic
#EBCA66
Split comp.
#EB66CA
Split comp.
#EB8766

Tints & Shades of #66EBCA

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

#7CEED2
#8EF0D8
#A5F3E0
#B7F6E6
#CDF9EE
#DFFBF4

Shades

#3DE6BC
#1CD9AA
#17B08A
#128C6D
#0D634E
#083B2E

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

How #66EBCA 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#66EBCA
Protanopia#DBDBCA
Protanomaly#B8E2CA
Deuteranopia#CBCBCD
Deuteranomaly#ACD9CC
Tritanopia#70E7E7
Tritanomaly#6CE9DC
Achromatopsia#D5D5D5

Test a full palette in the color blindness simulator.

Using #66EBCA in Code

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

CSS custom property--color-66ebca: #66EBCA;
CSS backgroundbackground-color: #66EBCA;
Tailwind configcolors: { 'color-66ebca': '#66EBCA' }
SwiftUIColor(red: 0.400, green: 0.922, blue: 0.792)
Android XML<color name="color_66ebca">#66EBCA</color>
SVG fillfill="#66EBCA"

More Green Colors

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

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#66EBCA Frequently Asked Questions

What color is #66EBCA?

#66EBCA is a light green — rgb(102, 235, 202) in RGB and hsl(165, 77%, 66%) in HSL. It carries no registered color name of its own; the closest named color is Aquamarine (#7FFFD4), which is clearly related but distinguishable side by side at a CIE76 distance of 8.29.

What is the RGB value of #66EBCA?

#66EBCA is rgb(102, 235, 202) — red 102, green 235, and blue 202 on the 0-255 scale.

What is the CMYK value of #66EBCA?

#66EBCA converts to approximately cmyk(57%, 0%, 14%, 8%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #66EBCA be black or white?

Black text is the more readable choice. #66EBCA scores 1.47:1 against white and 14.3:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

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

No. #66EBCA 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 aquamarine (#7FFFD4) at a CIE76 distance of 8.29, which is clearly related but distinguishable side by side.

Open #66EBCA 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.