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Recognised as Colour

#ADDBE9

  • #ADDBE9
  • Cyan
  • Light
  • Nearest: Light blue

#ADDBE9 is a cyan with RGB values 173, 219, 233 and HSL 194°, 58%, 80%. It is a light colour, so black text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Light blue.

Colour values

#ADDBE9#ADDBE9
HEX#ADDBE9
RGBrgb(173, 219, 233)
RGB (0–1)0.6784, 0.8588, 0.9137
RGB percentages67.8%, 85.9%, 91.4%
HSLhsl(194, 57.7%, 79.6%)
HSV / HSBhsv(194, 25.8%, 91.4%)
CMYK25.8%, 6%, 0%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,394,025
CSS custom property--colour: #ADDBE9;

Brightness & contrast

Relative luminance0.6543WCAG 2.x, 0 is black and 1 is white
Perceived brightness208.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.09:1
Contrast with white1.49:1WCAG normal text: Fail
Contrast with black14.09:1WCAG normal text: AAA
Greyscale equivalent#D2D2D2
Inverted#522416

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D2D8EAno red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#C8D0E9no green cones; the most common form, about 1% of men; ΔE 14.1 from the original
Tritanopia#9AE0DFno blue cones; rare, and affects men and women equally; ΔE 11.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.49:1WCAG large text: Fail
Contrast with black, large text14.09:1WCAG large text: AAA

Named colours

Light blue · ΔE 1.3Powder blue · ΔE 4.6Pale turquoise · ΔE 10.9Sky blue · ΔE 11.4Light steelblue · ΔE 12.7Light cyan · ΔE 15.7
Nearest named CSS colourLight blue (#ADD8E6)ΔE 1.27, below the just-noticeable difference
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E9BBAD
Analogous#ADE9D9, #ADBDE9
Triadic#E9ADDB, #DBE9AD
Split complementary#E9ADBD, #E9D9AD
Tetradic#D9ADE9, #E9BBAD, #BDE9AD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FDFEFF
Lighter +10%#D5EDF4
Darker −10%#85C9DE
Darker −20%#5DB8D3
Darker −30%#36A5C7
Darker −40%#2B849F
More saturated +25%#A0E2F6
Less saturated −25%#BAD4DC

Channel breakdown

R173
G219
B233
Red173 (67.8%)
Green219 (85.9%)
Blue233 (91.4%)
Hue194°
Saturation (HSL)57.69%
Lightness79.61%
Dominant channelBlue
Hex per channelR AD · G DB · B E9

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Every value on this page was computed from “addbe9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.