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Recognised as Colour

#A9DDDC

  • #A9DDDC
  • Cyan
  • Light
  • Nearest: Powder blue

#A9DDDC is a cyan with RGB values 169, 221, 220 and HSL 179°, 43%, 76%. 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

#A9DDDC#A9DDDC
HEX#A9DDDC
RGBrgb(169, 221, 220)
RGB (0–1)0.6627, 0.8667, 0.8627
RGB percentages66.3%, 86.7%, 86.3%
HSLhsl(178.8, 43.3%, 76.5%)
HSV / HSBhsv(178.8, 23.5%, 86.7%)
CMYK23.5%, 0%, 0.5%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,132,380
CSS custom property--colour: #A9DDDC;

Brightness & contrast

Relative luminance0.65315WCAG 2.x, 0 is black and 1 is white
Perceived brightness206.7 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#562223

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D6D8DCno red cones; affects about 1% of men; ΔE 17.2 from the original
Deuteranopia#CCD0DDno green cones; the most common form, about 1% of men; ΔE 18.1 from the original
Tritanopia#98E0DCno blue cones; rare, and affects men and women equally; ΔE 6.3 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 4.3Pale turquoise · ΔE 6.3Light blue · ΔE 8.8Light cyan · ΔE 15Sky blue · ΔE 17.3Light grey · ΔE 17.5
Nearest named CSS colourPowder blue (#B0E0E6)ΔE 4.35, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDA9AA
Analogous#A9DDC2, #A9C4DD
Triadic#DCA9DD, #DDDCA9
Split complementary#DDA9C4, #DDC2A9
Tetradic#C2A9DD, #DDA9AA, #C4DDA9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F2FAFA
Lighter +10%#CEEBEB
Darker −10%#84CFCD
Darker −20%#60C0BE
Darker −30%#43AAA8
Darker −40%#358584
More saturated +25%#9AECEA
Less saturated −25%#B8CECE

Channel breakdown

R169
G221
B220
Red169 (66.3%)
Green221 (86.7%)
Blue220 (86.3%)
Hue178.85°
Saturation (HSL)43.33%
Lightness76.47%
Dominant channelGreen
Hex per channelR A9 · G DD · B DC

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Every value on this page was computed from “a9dddc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.