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Colour

#66EADA

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

#66EADA is a cyan with RGB values 102, 234, 218 and HSL 173°, 76%, 66%. It is a light colour, so black text on it reaches 14.3:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#66EADA#66EADA
HEX#66EADA
RGBrgb(102, 234, 218)
RGB (0–1)0.4, 0.9176, 0.8549
RGB percentages40%, 91.8%, 85.5%
HSLhsl(172.7, 75.9%, 65.9%)
HSV / HSBhsv(172.7, 56.4%, 91.8%)
CMYK56.4%, 0%, 6.8%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,744,794
CSS custom property--colour: #66EADA;

Brightness & contrast

Relative luminance0.66732WCAG 2.x, 0 is black and 1 is white
Perceived brightness201.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.35:1
Contrast with white1.46:1WCAG normal text: Fail
Contrast with black14.35:1WCAG normal text: AAA
Greyscale equivalent#CDCDCD
Inverted#991525

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E0DED9no red cones; affects about 1% of men; ΔE 40.3 from the original
Deuteranopia#CBCFDCno green cones; the most common form, about 1% of men; ΔE 41.3 from the original
Tritanopia#00EEE5no blue cones; rare, and affects men and women equally; ΔE 10.1 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 text14.35:1WCAG large text: AAA

Named colours

Turquoise · ΔE 5.9Medium turquoise · ΔE 10.3Dark turquoise · ΔE 14.4Aqua · ΔE 14.8Cyan · ΔE 14.8Medium aquamarine · ΔE 15.1
Nearest named CSS colourTurquoise (#40E0D0)ΔE 5.85, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EA6676
Analogous#66EA98, #66B8EA
Triadic#DA66EA, #EADA66
Split complementary#EA66B8, #EA9866
Tetradic#9866EA, #EA6676, #B8EA66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EDFCFB
Lighter +20%#C0F6F0
Lighter +10%#93F0E5
Darker −10%#39E4CF
Darker −20%#1CCEB8
Darker −30%#16A190
Darker −40%#107468
More saturated +25%#51FFEA
Less saturated −25%#7CD4CA

Channel breakdown

R102
G234
B218
Red102 (40%)
Green234 (91.8%)
Blue218 (85.5%)
Hue172.73°
Saturation (HSL)75.86%
Lightness65.88%
Dominant channelGreen
Hex per channelR 66 · G EA · B DA

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