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Recognised as Colour

#8ADAFF

  • #8ADAFF
  • Cyan
  • Light
  • Nearest: Sky blue

#8ADAFF is a cyan with RGB values 138, 218, 255 and HSL 199°, 100%, 77%. It is a light colour, so black text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#8ADAFF#8ADAFF
HEX#8ADAFF
RGBrgb(138, 218, 255)
RGB (0–1)0.5412, 0.8549, 1
RGB percentages54.1%, 85.5%, 100%
HSLhsl(199, 100%, 77.1%)
HSV / HSBhsv(199, 45.9%, 100%)
CMYK45.9%, 14.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,100,031
CSS custom property--colour: #8ADAFF;

Brightness & contrast

Relative luminance0.62766WCAG 2.x, 0 is black and 1 is white
Perceived brightness202.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.55:1
Contrast with white1.55:1WCAG normal text: Fail
Contrast with black13.55:1WCAG normal text: AAA
Greyscale equivalent#CCCCCC
Inverted#752500

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C7D7FFno red cones; affects about 1% of men; ΔE 18.7 from the original
Deuteranopia#B6CAFFno green cones; the most common form, about 1% of men; ΔE 20.1 from the original
Tritanopia#53E5E6no blue cones; rare, and affects men and women equally; ΔE 26.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.55:1WCAG large text: Fail
Contrast with black, large text13.55:1WCAG large text: AAA

Named colours

Sky blue · ΔE 6Light skyblue · ΔE 6.2Light blue · ΔE 14.8Powder blue · ΔE 17.9Light steelblue · ΔE 17.9Deep skyblue · ΔE 20.2
Nearest named CSS colourSky blue (#87CEEB)ΔE 6, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFAF8A
Analogous#8AFFEA, #8A9FFF
Triadic#FF8ADA, #DAFF8A
Split complementary#FF8A9F, #FFEA8A
Tetradic#EA8AFF, #FFAF8A, #9FFF8A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F0FAFF
Lighter +10%#BDEAFF
Darker −10%#57CAFF
Darker −20%#24BAFF
Darker −30%#00A4F0
Darker −40%#0081BD
More saturated +25%#8ADAFF
Less saturated −25%#99D5F0

Channel breakdown

R138
G218
B255
Red138 (54.1%)
Green218 (85.5%)
Blue255 (100%)
Hue198.97°
Saturation (HSL)100%
Lightness77.06%
Dominant channelBlue
Hex per channelR 8A · G DA · B FF

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Every value on this page was computed from “8adaff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.