Colour

#66EEAA

#66EEAA
Cyan
Light
Nearest: Aquamarine

#66EEAA is a cyan with RGB values 102, 238, 170 and HSL 150°, 80%, 67%. It is a light colour, so black text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#66EEAA#66EEAA

HEX#66EEAA

HEX (short)#6EA

RGBrgb(102, 238, 170)

RGB (0–1)0.4, 0.9333, 0.6667

RGB percentages40%, 93.3%, 66.7%

HSLhsl(150, 80%, 66.7%)

HSV / HSBhsv(150, 57.1%, 93.3%)

CMYK57.1%, 0%, 28.6%, 6.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,745,770

CSS custom property--colour: #66EEAA;

Brightness & contrast

Relative luminance0.66876WCAG 2.x, 0 is black and 1 is white

Perceived brightness199.1 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 14.38:1

Contrast with white1.46:1WCAG normal text: Fail

Contrast with black14.38:1WCAG normal text: AAA

Greyscale equivalent#CCCCCC

Inverted#991155

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#ECDEA6no red cones; affects about 1% of men; ΔE 49.6 from the original

Deuteranopia#D9D0AEno green cones; the most common form, about 1% of men; ΔE 50.3 from the original

Tritanopia#30EDDCno blue cones; rare, and affects men and women equally; ΔE 27 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.46:1WCAG large text: Fail

Contrast with black, large text14.38:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 15.6 Light green · ΔE 16.2 Pale green · ΔE 17.9 Medium seagreen · ΔE 20.7 Medium spring green · ΔE 21.1 Medium aquamarine · ΔE 22

Nearest named CSS colourAquamarine (#7FFFD4)ΔE 15.58, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#EE66AA

Analogous#66EE66, #66EEEE

Triadic#AA66EE, #EEAA66

Split complementary#EE66EE, #EE6666

Tetradic#6666EE, #EE66AA, #EEEE66

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#F0FDF7

Lighter +20%#C2F8DD

Lighter +10%#94F3C4

Darker −10%#38E991

Darker −20%#18D677

Darker −30%#13A85E

Darker −40%#0E7A44

More saturated +25%#55FFAA

Less saturated −25%#7BD9AA

Channel breakdown

R102

G238

B170

Red102 (40%)

Green238 (93.3%)

Blue170 (66.7%)

Hue150°

Saturation (HSL)80%

Lightness66.67%

Dominant channelGreen

Hex per channelR 66 · G EE · B AA

Keep nerding

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#66EEAA

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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