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Colour

#66FAE5

  • #66FAE5
  • Cyan
  • Light
  • Nearest: Turquoise

#66FAE5 is a cyan with RGB values 102, 250, 229 and HSL 171°, 94%, 69%. It is a light colour, so black text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#66FAE5#66FAE5
HEX#66FAE5
RGBrgb(102, 250, 229)
RGB (0–1)0.4, 0.9804, 0.898
RGB percentages40%, 98%, 89.8%
HSLhsl(171.5, 93.7%, 69%)
HSV / HSBhsv(171.5, 59.2%, 98%)
CMYK59.2%, 0%, 8.4%, 2%naive device-independent conversion; real print needs an ICC profile
24-bit integer6,748,901
CSS custom property--colour: #66FAE5;

Brightness & contrast

Relative luminance0.76853WCAG 2.x, 0 is black and 1 is white
Perceived brightness214 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.37:1
Contrast with white1.28:1WCAG normal text: Fail
Contrast with black16.37:1WCAG normal text: AAA
Greyscale equivalent#D9D9D9
Inverted#99051A

Colour vision & accessibility

Protanopia#EFEDE4no red cones; affects about 1% of men; ΔE 44.1 from the original
Deuteranopia#D9DCE7no green cones; the most common form, about 1% of men; ΔE 45.6 from the original
Tritanopia#00FEF3no blue cones; rare, and affects men and women equally; ΔE 9.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.28:1WCAG large text: Fail
Contrast with black, large text16.37:1WCAG large text: AAA

Named colours

Nearest named CSS colourTurquoise (#40E0D0)ΔE 9.27, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#FA667B
Analogous#66FA9B, #66C5FA
Triadic#E566FA, #FAE566
Split complementary#FA66C5, #FA9B66
Tetradic#9B66FA, #FA667B, #C5FA66

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FAFFFE
Lighter +20%#C9FDF6
Lighter +10%#97FCED
Darker −10%#35F8DD
Darker −20%#08F2D1
Darker −30%#06C1A6
Darker −40%#058F7C
More saturated +25%#61FFE9
Less saturated −25%#7AE6D7

Channel breakdown

R102
G250
B229
Red102 (40%)
Green250 (98%)
Blue229 (89.8%)
Hue171.49°
Saturation (HSL)93.67%
Lightness69.02%
Dominant channelGreen
Hex per channelR 66 · G FA · B E5

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Every value on this page was computed from “66fae5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.