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Recognised as Colour

#A4DBD9

  • #A4DBD9
  • Cyan
  • Light
  • Nearest: Powder blue

#A4DBD9 is a cyan with RGB values 164, 219, 217 and HSL 178°, 43%, 75%. It is a light colour, so black text on it reaches 13.7:1 contrast (AAA for normal text). The nearest named colour is Powder blue.

Colour values

#A4DBD9#A4DBD9
HEX#A4DBD9
RGBrgb(164, 219, 217)
RGB (0–1)0.6431, 0.8588, 0.851
RGB percentages64.3%, 85.9%, 85.1%
HSLhsl(177.8, 43.3%, 75.1%)
HSV / HSBhsv(177.8, 25.1%, 85.9%)
CMYK25.1%, 0%, 0.9%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,804,185
CSS custom property--colour: #A4DBD9;

Brightness & contrast

Relative luminance0.63565WCAG 2.x, 0 is black and 1 is white
Perceived brightness203.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.71:1
Contrast with white1.53:1WCAG normal text: Fail
Contrast with black13.71:1WCAG normal text: AAA
Greyscale equivalent#CFCFCF
Inverted#5B2426

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D4D5D9no red cones; affects about 1% of men; ΔE 18.6 from the original
Deuteranopia#CACDDAno green cones; the most common form, about 1% of men; ΔE 19.5 from the original
Tritanopia#92DEDAno blue cones; rare, and affects men and women equally; ΔE 6.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.53:1WCAG large text: Fail
Contrast with black, large text13.71:1WCAG large text: AAA

Named colours

Powder blue · ΔE 5.6Pale turquoise · ΔE 6.8Light blue · ΔE 9.7Light cyan · ΔE 16.3Sky blue · ΔE 17.4Light grey · ΔE 18.6
Nearest named CSS colourPowder blue (#B0E0E6)ΔE 5.58, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBA4A6
Analogous#A4DBBE, #A4C1DB
Triadic#D9A4DB, #DBD9A4
Split complementary#DBA4C1, #DBBEA4
Tetradic#BEA4DB, #DBA4A6, #C1DBA4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#EDF8F8
Lighter +10%#C9E9E8
Darker −10%#7FCDCA
Darker −20%#5BBEBA
Darker −30%#41A5A1
Darker −40%#33807D
More saturated +25%#94EBE8
Less saturated −25%#B4CBCA

Channel breakdown

R164
G219
B217
Red164 (64.3%)
Green219 (85.9%)
Blue217 (85.1%)
Hue177.82°
Saturation (HSL)43.31%
Lightness75.1%
Dominant channelGreen
Hex per channelR A4 · G DB · B D9

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Every value on this page was computed from “a4dbd9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.