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Recognised as Colour

#ACD9DF

  • #ACD9DF
  • Cyan
  • Light
  • Nearest: Powder blue

#ACD9DF is a cyan with RGB values 172, 217, 223 and HSL 187°, 44%, 77%. 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

#ACD9DF#ACD9DF
HEX#ACD9DF
RGBrgb(172, 217, 223)
RGB (0–1)0.6745, 0.851, 0.8745
RGB percentages67.5%, 85.1%, 87.5%
HSLhsl(187.1, 44.3%, 77.5%)
HSV / HSBhsv(187.1, 22.9%, 87.5%)
CMYK22.9%, 2.7%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,327,967
CSS custom property--colour: #ACD9DF;

Brightness & contrast

Relative luminance0.63724WCAG 2.x, 0 is black and 1 is white
Perceived brightness205.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.74:1
Contrast with white1.53:1WCAG normal text: Fail
Contrast with black13.74:1WCAG normal text: AAA
Greyscale equivalent#D0D0D0
Inverted#532620

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D2D5DFno red cones; affects about 1% of men; ΔE 14.4 from the original
Deuteranopia#C8CEDFno green cones; the most common form, about 1% of men; ΔE 14.6 from the original
Tritanopia#9CDDDBno blue cones; rare, and affects men and women equally; ΔE 7.8 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 text13.74:1WCAG large text: AAA

Named colours

Powder blue · ΔE 2.5Light blue · ΔE 4.4Pale turquoise · ΔE 9Sky blue · ΔE 14.4Light cyan · ΔE 15.1Light steelblue · ΔE 15.1
Nearest named CSS colourPowder blue (#B0E0E6)ΔE 2.47, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFB2AC
Analogous#ACDFCB, #ACC0DF
Triadic#DFACD9, #D9DFAC
Split complementary#DFACC0, #DFCCAC
Tetradic#CBACDF, #DFB2AC, #C0DFAC

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F6FBFB
Lighter +10%#D1EAED
Darker −10%#87C8D1
Darker −20%#62B7C3
Darker −30%#43A2AF
Darker −40%#35808A
More saturated +25%#9EE4ED
Less saturated −25%#BACED1

Channel breakdown

R172
G217
B223
Red172 (67.5%)
Green217 (85.1%)
Blue223 (87.5%)
Hue187.06°
Saturation (HSL)44.35%
Lightness77.45%
Dominant channelBlue
Hex per channelR AC · G D9 · B DF

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Every value on this page was computed from “acd9df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.