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Recognised as Colour

#ADDAE4

  • #ADDAE4
  • Cyan
  • Light
  • Nearest: Light blue

#ADDAE4 is a cyan with RGB values 173, 218, 228 and HSL 191°, 50%, 79%. It is a light colour, so black text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Light blue.

Colour values

#ADDAE4#ADDAE4
HEX#ADDAE4
RGBrgb(173, 218, 228)
RGB (0–1)0.6784, 0.8549, 0.8941
RGB percentages67.8%, 85.5%, 89.4%
HSLhsl(190.9, 50.5%, 78.6%)
HSV / HSBhsv(190.9, 24.1%, 89.4%)
CMYK24.1%, 4.4%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,393,764
CSS custom property--colour: #ADDAE4;

Brightness & contrast

Relative luminance0.64628WCAG 2.x, 0 is black and 1 is white
Perceived brightness206.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.93:1
Contrast with white1.51:1WCAG normal text: Fail
Contrast with black13.93:1WCAG normal text: AAA
Greyscale equivalent#D1D1D1
Inverted#52251B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D2D7E5no red cones; affects about 1% of men; ΔE 13.6 from the original
Deuteranopia#C8CFE4no green cones; the most common form, about 1% of men; ΔE 14.2 from the original
Tritanopia#9CDFDDno blue cones; rare, and affects men and women equally; ΔE 9.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.51:1WCAG large text: Fail
Contrast with black, large text13.93:1WCAG large text: AAA

Named colours

Light blue · ΔE 2.4Powder blue · ΔE 3Pale turquoise · ΔE 9.9Sky blue · ΔE 12.9Light steelblue · ΔE 13.7Light cyan · ΔE 15.2
Nearest named CSS colourLight blue (#ADD8E6)ΔE 2.35, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E4B7AD
Analogous#ADE4D3, #ADBEE4
Triadic#E4ADDA, #DAE4AD
Split complementary#E4ADBE, #E4D3AD
Tetradic#D3ADE4, #E4B7AD, #BFE4AD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FAFDFD
Lighter +10%#D3EBF1
Darker −10%#87C9D7
Darker −20%#60B7CB
Darker −30%#3DA4BB
Darker −40%#318294
More saturated +25%#9FE3F2
Less saturated −25%#BBD1D6

Channel breakdown

R173
G218
B228
Red173 (67.8%)
Green218 (85.5%)
Blue228 (89.4%)
Hue190.91°
Saturation (HSL)50.46%
Lightness78.63%
Dominant channelBlue
Hex per channelR AD · G DA · B E4

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Every value on this page was computed from “addae4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.