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Recognised as Colour

#09FDFF

  • #09FDFF
  • Cyan
  • Light
  • Nearest: Aqua

#09FDFF is a cyan with RGB values 9, 253, 255 and HSL 180°, 100%, 52%. It is a light colour, so black text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Aqua.

Colour values

#09FDFF#09FDFF
HEX#09FDFF
RGBrgb(9, 253, 255)
RGB (0–1)0.0353, 0.9922, 1
RGB percentages3.5%, 99.2%, 100%
HSLhsl(180.5, 100%, 51.8%)
HSV / HSBhsv(180.5, 96.5%, 100%)
CMYK96.5%, 0.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer654,847
CSS custom property--colour: #09FDFF;

Brightness & contrast

Relative luminance0.77529WCAG 2.x, 0 is black and 1 is white
Perceived brightness212.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.51:1
Contrast with white1.27:1WCAG normal text: Fail
Contrast with black16.51:1WCAG normal text: AAA
Greyscale equivalent#C9C9C9
Inverted#F60200

Colour vision & accessibility

Protanopia#EBF0FFno red cones; affects about 1% of men; ΔE 48.9 from the original
Deuteranopia#CEDBFFno green cones; the most common form, about 1% of men; ΔE 50.2 from the original
Tritanopia#00FFFDno blue cones; rare, and affects men and women equally; ΔE 2.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.27:1WCAG large text: Fail
Contrast with black, large text16.51:1WCAG large text: AAA

Named colours

Nearest named CSS colourAqua (#00FFFF)ΔE 1.44, below the just-noticeable difference
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#FF0B09
Analogous#09FF86, #0982FF
Triadic#FF09FD, #FDFF09
Split complementary#FF0982, #FF8609
Tetradic#8609FF, #FF0B09, #82FF09

Tints, shades & saturation

Lighter +40%#D5FFFF
Lighter +30%#A2FEFF
Lighter +20%#6FFEFF
Lighter +10%#3CFDFF
Darker −10%#00D3D5
Darker −20%#00A1A2
Darker −30%#006E6F
Darker −40%#003C3C
More saturated +25%#09FDFF
Less saturated −25%#28DFE0

Channel breakdown

R9
G253
B255
Red9 (3.5%)
Green253 (99.2%)
Blue255 (100%)
Hue180.49°
Saturation (HSL)100%
Lightness51.76%
Dominant channelBlue
Hex per channelR 09 · G FD · B FF

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Every value on this page was computed from “09fdff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.