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Colour

#ACDFFF

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

#ACDFFF is a blue with RGB values 172, 223, 255 and HSL 203°, 100%, 84%. It is a light colour, so black text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#ACDFFF#ACDFFF
HEX#ACDFFF
RGBrgb(172, 223, 255)
RGB (0–1)0.6745, 0.8745, 1
RGB percentages67.5%, 87.5%, 100%
HSLhsl(203.1, 100%, 83.7%)
HSV / HSBhsv(203.1, 32.5%, 100%)
CMYK32.5%, 12.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,329,535
CSS custom property--colour: #ACDFFF;

Brightness & contrast

Relative luminance0.68766WCAG 2.x, 0 is black and 1 is white
Perceived brightness213.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.75:1
Contrast with white1.42:1WCAG normal text: Fail
Contrast with black14.75:1WCAG normal text: AAA
Greyscale equivalent#D6D6D6
Inverted#532000

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D1DDFFno red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#C5D4FFno green cones; the most common form, about 1% of men; ΔE 13.1 from the original
Tritanopia#91E7E9no blue cones; rare, and affects men and women equally; ΔE 20.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.42:1WCAG large text: Fail
Contrast with black, large text14.75:1WCAG large text: AAA

Named colours

Sky blue · ΔE 9.3Light blue · ΔE 9.9Light skyblue · ΔE 10.3Light steelblue · ΔE 12.4Powder blue · ΔE 13.8Lavender · ΔE 17.8
Nearest named CSS colourSky blue (#87CEEB)ΔE 9.27, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFCCAC
Analogous#ACFFF6, #ACB6FF
Triadic#FFACDF, #DFFFAC
Split complementary#FFACB5, #FFF6AC
Tetradic#F6ACFF, #FFCCAC, #B6FFAC

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#DFF3FF
Darker −10%#79CBFF
Darker −20%#46B8FF
Darker −30%#13A4FF
Darker −40%#0089DF
More saturated +25%#ACDFFF
Less saturated −25%#B6DDF5

Channel breakdown

R172
G223
B255
Red172 (67.5%)
Green223 (87.5%)
Blue255 (100%)
Hue203.13°
Saturation (HSL)100%
Lightness83.73%
Dominant channelBlue
Hex per channelR AC · G DF · B FF

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