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Colour

#00DAFF

  • #00DAFF
  • Cyan
  • Light
  • Nearest: Sky blue

#00DAFF is a cyan with RGB values 0, 218, 255 and HSL 189°, 100%, 50%. It is a light colour, so black text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#00DAFF#00DAFF
HEX#00DAFF
RGBrgb(0, 218, 255)
RGB (0–1)0, 0.8549, 1
RGB percentages0%, 85.5%, 100%
HSLhsl(188.7, 100%, 50%)
HSV / HSBhsv(188.7, 100%, 100%)
CMYK100%, 14.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer56,063
CSS custom property--colour: #00DAFF;

Brightness & contrast

Relative luminance0.57363WCAG 2.x, 0 is black and 1 is white
Perceived brightness187.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.47:1
Contrast with white1.68:1WCAG normal text: Fail
Contrast with black12.47:1WCAG normal text: AAA
Greyscale equivalent#AEAEAE
Inverted#FF2500

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C1D3FFno red cones; affects about 1% of men; ΔE 35.5 from the original
Deuteranopia#A5BFFFno green cones; the most common form, about 1% of men; ΔE 37.7 from the original
Tritanopia#00E7E6no blue cones; rare, and affects men and women equally; ΔE 22.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.68:1WCAG large text: Fail
Contrast with black, large text12.47:1WCAG large text: AAA

Named colours

Sky blue · ΔE 18.8Dark turquoise · ΔE 19.7Deep skyblue · ΔE 19.8Light skyblue · ΔE 20.5Medium turquoise · ΔE 23.1Aqua · ΔE 25.8
Nearest named CSS colourSky blue (#87CEEB)ΔE 18.82, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF2500
Analogous#00FFA5, #005AFF
Triadic#FF00DA, #DAFF00
Split complementary#FF005A, #FFA400
Tetradic#A500FF, #FF2500, #5BFF00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCF8FF
Lighter +30%#99F0FF
Lighter +20%#66E9FF
Lighter +10%#33E1FF
Darker −10%#00AECC
Darker −20%#008399
Darker −30%#005766
Darker −40%#002C33
More saturated +25%#00DAFF
Less saturated −25%#20C3DF

Channel breakdown

R0
G218
B255
Red0 (0%)
Green218 (85.5%)
Blue255 (100%)
Hue188.71°
Saturation (HSL)100%
Lightness50%
Dominant channelBlue
Hex per channelR 00 · G DA · B FF

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Every value on this page was computed from “00daff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.