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Recognised as Colour

#ACDEFF

  • #ACDEFF
  • Blue
  • Light
  • Nearest: Sky blue

#ACDEFF is a blue with RGB values 172, 222, 255 and HSL 204°, 100%, 84%. It is a light colour, so black text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#ACDEFF#ACDEFF
HEX#ACDEFF
RGBrgb(172, 222, 255)
RGB (0–1)0.6745, 0.8706, 1
RGB percentages67.5%, 87.1%, 100%
HSLhsl(203.9, 100%, 83.7%)
HSV / HSBhsv(203.9, 32.5%, 100%)
CMYK32.5%, 12.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,329,279
CSS custom property--colour: #ACDEFF;

Brightness & contrast

Relative luminance0.68233WCAG 2.x, 0 is black and 1 is white
Perceived brightness212.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.65:1
Contrast with white1.43:1WCAG normal text: Fail
Contrast with black14.65:1WCAG normal text: AAA
Greyscale equivalent#D6D6D6
Inverted#532100

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CFDDFFno red cones; affects about 1% of men; ΔE 11.3 from the original
Deuteranopia#C4D3FEno green cones; the most common form, about 1% of men; ΔE 12.6 from the original
Tritanopia#91E6E8no blue cones; rare, and affects men and women equally; ΔE 20.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.43:1WCAG large text: Fail
Contrast with black, large text14.65:1WCAG large text: AAA

Named colours

Sky blue · ΔE 9.4Light skyblue · ΔE 10Light blue · ΔE 10.3Light steelblue · ΔE 12.1Powder blue · ΔE 14.4Lavender · ΔE 17.7
Nearest named CSS colourSky blue (#87CEEB)ΔE 9.4, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFCDAC
Analogous#ACFFF6, #ACB5FF
Triadic#FFACDE, #DEFFAC
Split complementary#FFACB5, #FFF6AC
Tetradic#F6ACFF, #FFCDAC, #B5FFAC

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#DFF2FF
Darker −10%#79CAFF
Darker −20%#46B5FF
Darker −30%#13A1FF
Darker −40%#0086DF
More saturated +25%#ACDEFF
Less saturated −25%#B6DCF5

Channel breakdown

R172
G222
B255
Red172 (67.5%)
Green222 (87.1%)
Blue255 (100%)
Hue203.86°
Saturation (HSL)100%
Lightness83.73%
Dominant channelBlue
Hex per channelR AC · G DE · B FF

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