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Recognised as Colour

#ADDCDD

  • #ADDCDD
  • Cyan
  • Light
  • Nearest: Powder blue

#ADDCDD is a cyan with RGB values 173, 220, 221 and HSL 181°, 41%, 77%. It is a light colour, so black text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Powder blue.

Colour values

#ADDCDD#ADDCDD
HEX#ADDCDD
RGBrgb(173, 220, 221)
RGB (0–1)0.6784, 0.8627, 0.8667
RGB percentages67.8%, 86.3%, 86.7%
HSLhsl(181.2, 41.4%, 77.3%)
HSV / HSBhsv(181.2, 21.7%, 86.7%)
CMYK21.7%, 0.5%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,394,269
CSS custom property--colour: #ADDCDD;

Brightness & contrast

Relative luminance0.65291WCAG 2.x, 0 is black and 1 is white
Perceived brightness207.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.06:1
Contrast with white1.49:1WCAG normal text: Fail
Contrast with black14.06:1WCAG normal text: AAA
Greyscale equivalent#D2D2D2
Inverted#522322

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D5D7DDno red cones; affects about 1% of men; ΔE 15.6 from the original
Deuteranopia#CCD0DDno green cones; the most common form, about 1% of men; ΔE 16.1 from the original
Tritanopia#9EDFDCno blue cones; rare, and affects men and women equally; ΔE 6.1 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 text14.06:1WCAG large text: AAA

Named colours

Powder blue · ΔE 3Light blue · ΔE 7.3Pale turquoise · ΔE 7.3Light cyan · ΔE 14.3Light grey · ΔE 15.9Gainsboro · ΔE 16.2
Nearest named CSS colourPowder blue (#B0E0E6)ΔE 3.04, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDAEAD
Analogous#ADDDC6, #ADC4DD
Triadic#DDADDC, #DCDDAD
Split complementary#DDADC4, #DDC6AD
Tetradic#C6ADDD, #DDAEAD, #C4DDAD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F5FBFB
Lighter +10%#D1EBEC
Darker −10%#89CDCE
Darker −20%#65BDBF
Darker −30%#47A8AA
Darker −40%#388586
More saturated +25%#9FEAEC
Less saturated −25%#BCCECF

Channel breakdown

R173
G220
B221
Red173 (67.8%)
Green220 (86.3%)
Blue221 (86.7%)
Hue181.25°
Saturation (HSL)41.38%
Lightness77.25%
Dominant channelBlue
Hex per channelR AD · G DC · B DD

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