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Recognised as Colour

#ADDBD8

  • #ADDBD8
  • Cyan
  • Light
  • Nearest: Powder blue

#ADDBD8 is a cyan with RGB values 173, 219, 216 and HSL 176°, 39%, 77%. It is a light colour, so black text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Powder blue.

Colour values

#ADDBD8#ADDBD8
HEX#ADDBD8
RGBrgb(173, 219, 216)
RGB (0–1)0.6784, 0.8588, 0.8471
RGB percentages67.8%, 85.9%, 84.7%
HSLhsl(176.1, 39%, 76.9%)
HSV / HSBhsv(176.1, 21%, 85.9%)
CMYK21%, 0%, 1.4%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,394,008
CSS custom property--colour: #ADDBD8;

Brightness & contrast

Relative luminance0.64505WCAG 2.x, 0 is black and 1 is white
Perceived brightness206 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.9:1
Contrast with white1.51:1WCAG normal text: Fail
Contrast with black13.9:1WCAG normal text: AAA
Greyscale equivalent#D1D1D1
Inverted#522427

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D5D6D8no red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#CCCFD9no green cones; the most common form, about 1% of men; ΔE 16.5 from the original
Tritanopia#9FDEDAno blue cones; rare, and affects men and women equally; ΔE 5.3 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 text13.9:1WCAG large text: AAA

Named colours

Powder blue · ΔE 5.1Pale turquoise · ΔE 7.8Light blue · ΔE 9.3Light cyan · ΔE 14.7Light grey · ΔE 15.8Gainsboro · ΔE 16.2
Nearest named CSS colourPowder blue (#B0E0E6)ΔE 5.14, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBADB0
Analogous#ADDBC1, #ADC7DB
Triadic#D8ADDB, #DBD8AD
Split complementary#DBADC7, #DBC1AD
Tetradic#C1ADDB, #DBADB0, #C7DBAD

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F4FAFA
Lighter +10%#D0EBE9
Darker −10%#8ACBC7
Darker −20%#66BCB6
Darker −30%#49A6A0
Darker −40%#39837E
More saturated +25%#9EEAE5
Less saturated −25%#BCCCCB

Channel breakdown

R173
G219
B216
Red173 (67.8%)
Green219 (85.9%)
Blue216 (84.7%)
Hue176.09°
Saturation (HSL)38.98%
Lightness76.86%
Dominant channelGreen
Hex per channelR AD · G DB · B D8

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Every value on this page was computed from “addbd8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.