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Recognised as Colour

#A3E4DF

  • #A3E4DF
  • Cyan
  • Light
  • Nearest: Pale turquoise

#A3E4DF is a cyan with RGB values 163, 228, 223 and HSL 175°, 55%, 77%. It is a light colour, so black text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Pale turquoise.

Colour values

#A3E4DF#A3E4DF
HEX#A3E4DF
RGBrgb(163, 228, 223)
RGB (0–1)0.6392, 0.8941, 0.8745
RGB percentages63.9%, 89.4%, 87.5%
HSLhsl(175.4, 54.6%, 76.7%)
HSV / HSBhsv(175.4, 28.5%, 89.4%)
CMYK28.5%, 0%, 2.2%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,740,959
CSS custom property--colour: #A3E4DF;

Brightness & contrast

Relative luminance0.68601WCAG 2.x, 0 is black and 1 is white
Perceived brightness210.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.72:1
Contrast with white1.43:1WCAG normal text: Fail
Contrast with black14.72:1WCAG normal text: AAA
Greyscale equivalent#D6D6D6
Inverted#5C1B20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#DDDDDFno red cones; affects about 1% of men; ΔE 22.1 from the original
Deuteranopia#D0D4E0no green cones; the most common form, about 1% of men; ΔE 22.5 from the original
Tritanopia#8DE7E2no blue cones; rare, and affects men and women equally; ΔE 6.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.43:1WCAG large text: Fail
Contrast with black, large text14.72:1WCAG large text: AAA

Named colours

Pale turquoise · ΔE 4.7Powder blue · ΔE 8.3Light blue · ΔE 13.1Light cyan · ΔE 16.3Medium turquoise · ΔE 19Sky blue · ΔE 19.7
Nearest named CSS colourPale turquoise (#AFEEEE)ΔE 4.72, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E4A3A8
Analogous#A3E4BE, #A3C9E4
Triadic#DFA3E4, #E4DFA3
Split complementary#E4A3C9, #E4BEA3
Tetradic#BEA3E4, #E4A3A8, #C9E4A3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F2FBFA
Lighter +10%#CAF0ED
Darker −10%#7CD8D1
Darker −20%#54CDC4
Darker −30%#36B8AE
Darker −40%#2A9189
More saturated +25%#94F3EC
Less saturated −25%#B2D5D2

Channel breakdown

R163
G228
B223
Red163 (63.9%)
Green228 (89.4%)
Blue223 (87.5%)
Hue175.38°
Saturation (HSL)54.62%
Lightness76.67%
Dominant channelGreen
Hex per channelR A3 · G E4 · B DF

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Every value on this page was computed from “a3e4df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.