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Recognised as Colour

#AADDD9

  • #AADDD9
  • Cyan
  • Light
  • Nearest: Powder blue

#AADDD9 is a cyan with RGB values 170, 221, 217 and HSL 175°, 43%, 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

#AADDD9#AADDD9
HEX#AADDD9
RGBrgb(170, 221, 217)
RGB (0–1)0.6667, 0.8667, 0.851
RGB percentages66.7%, 86.7%, 85.1%
HSLhsl(175.3, 42.9%, 76.7%)
HSV / HSBhsv(175.3, 23.1%, 86.7%)
CMYK23.1%, 0%, 1.8%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,197,913
CSS custom property--colour: #AADDD9;

Brightness & contrast

Relative luminance0.65269WCAG 2.x, 0 is black and 1 is white
Perceived brightness206.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.05:1
Contrast with white1.49:1WCAG normal text: Fail
Contrast with black14.05:1WCAG normal text: AAA
Greyscale equivalent#D2D2D2
Inverted#552226

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D7D8D9no red cones; affects about 1% of men; ΔE 17.3 from the original
Deuteranopia#CDD0DAno green cones; the most common form, about 1% of men; ΔE 18.2 from the original
Tritanopia#9AE0DCno blue cones; rare, and affects men and women equally; ΔE 5.7 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 text14.05:1WCAG large text: AAA

Named colours

Powder blue · ΔE 5.7Pale turquoise · ΔE 6.7Light blue · ΔE 10.3Light cyan · ΔE 15.1Light grey · ΔE 17.5Gainsboro · ΔE 17.8
Nearest named CSS colourPowder blue (#B0E0E6)ΔE 5.74, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDAAAE
Analogous#AADDBF, #AAC8DD
Triadic#D9AADD, #DDD9AA
Split complementary#DDAAC8, #DDBFAA
Tetradic#BFAADD, #DDAAAE, #C8DDAA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F3FAFA
Lighter +10%#CEECE9
Darker −10%#86CEC9
Darker −20%#61C0B8
Darker −30%#44AAA2
Darker −40%#35867F
More saturated +25%#9BECE6
Less saturated −25%#B9CECC

Channel breakdown

R170
G221
B217
Red170 (66.7%)
Green221 (86.7%)
Blue217 (85.1%)
Hue175.29°
Saturation (HSL)42.86%
Lightness76.67%
Dominant channelGreen
Hex per channelR AA · G DD · B D9

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Every value on this page was computed from “aaddd9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.