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Recognised as Colour

#ADE8E9

  • #ADE8E9
  • Cyan
  • Light
  • Nearest: Pale turquoise

#ADE8E9 is a cyan with RGB values 173, 232, 233 and HSL 181°, 58%, 80%. It is a light colour, so black text on it reaches 15.5:1 contrast (AAA for normal text). The nearest named colour is Pale turquoise.

Colour values

#ADE8E9#ADE8E9
HEX#ADE8E9
RGBrgb(173, 232, 233)
RGB (0–1)0.6784, 0.9098, 0.9137
RGB percentages67.8%, 91%, 91.4%
HSLhsl(181, 57.7%, 79.6%)
HSV / HSBhsv(181, 25.8%, 91.4%)
CMYK25.8%, 0.4%, 0%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,397,353
CSS custom property--colour: #ADE8E9;

Brightness & contrast

Relative luminance0.72481WCAG 2.x, 0 is black and 1 is white
Perceived brightness216.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.5:1
Contrast with white1.36:1WCAG normal text: Fail
Contrast with black15.5:1WCAG normal text: AAA
Greyscale equivalent#DCDCDC
Inverted#521716

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E0E2E9no red cones; affects about 1% of men; ΔE 19.2 from the original
Deuteranopia#D5DAEAno green cones; the most common form, about 1% of men; ΔE 19.8 from the original
Tritanopia#99ECE8no blue cones; rare, and affects men and women equally; ΔE 7.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.36:1WCAG large text: Fail
Contrast with black, large text15.5:1WCAG large text: AAA

Named colours

Pale turquoise · ΔE 2.3Powder blue · ΔE 4.9Light blue · ΔE 9.9Light cyan · ΔE 13.2Sky blue · ΔE 17.6Azure · ΔE 17.9
Nearest named CSS colourPale turquoise (#AFEEEE)ΔE 2.28, below the just-noticeable difference
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E9AEAD
Analogous#ADE9CC, #ADCAE9
Triadic#E9ADE8, #E8E9AD
Split complementary#E9ADCA, #E9CCAD
Tetradic#CCADE9, #E9AEAD, #CAE9AD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FDFFFF
Lighter +10%#D5F3F4
Darker −10%#85DDDE
Darker −20%#5DD1D3
Darker −30%#36C5C7
Darker −40%#2B9D9F
More saturated +25%#A0F5F6
Less saturated −25%#BADBDC

Channel breakdown

R173
G232
B233
Red173 (67.8%)
Green232 (91%)
Blue233 (91.4%)
Hue181°
Saturation (HSL)57.69%
Lightness79.61%
Dominant channelBlue
Hex per channelR AD · G E8 · B E9

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Every value on this page was computed from “ade8e9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.