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Recognised as Colour

#09CDFF

  • #09CDFF
  • Cyan
  • Light
  • Nearest: Deep skyblue

#09CDFF is a cyan with RGB values 9, 205, 255 and HSL 192°, 100%, 52%. It is a light colour, so black text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#09CDFF#09CDFF
HEX#09CDFF
RGBrgb(9, 205, 255)
RGB (0–1)0.0353, 0.8039, 1
RGB percentages3.5%, 80.4%, 100%
HSLhsl(192.2, 100%, 51.8%)
HSV / HSBhsv(192.2, 96.5%, 100%)
CMYK96.5%, 19.6%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer642,559
CSS custom property--colour: #09CDFF;

Brightness & contrast

Relative luminance0.50941WCAG 2.x, 0 is black and 1 is white
Perceived brightness179.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.19:1
Contrast with white1.88:1WCAG normal text: Fail
Contrast with black11.19:1WCAG normal text: AAA
Greyscale equivalent#A7A7A7
Inverted#F63200

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B1C8FFno red cones; affects about 1% of men; ΔE 30.2 from the original
Deuteranopia#95B4FEno green cones; the most common form, about 1% of men; ΔE 32.8 from the original
Tritanopia#00DCDDno blue cones; rare, and affects men and women equally; ΔE 29.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.88:1WCAG large text: Fail
Contrast with black, large text11.19:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 10.3Light skyblue · ΔE 16.1Sky blue · ΔE 18Dark turquoise · ΔE 27.4Light blue · ΔE 29.2Medium turquoise · ΔE 30.6
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 10.31, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF3B09
Analogous#09FFB6, #0952FF
Triadic#FF09CD, #CDFF09
Split complementary#FF0952, #FFB609
Tetradic#B609FF, #FF3B09, #52FF09

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5F6FF
Lighter +30%#A2ECFF
Lighter +20%#6FE2FF
Lighter +10%#3CD7FF
Darker −10%#00AAD5
Darker −20%#0081A2
Darker −30%#00586F
Darker −40%#00303C
More saturated +25%#09CDFF
Less saturated −25%#28BBE0

Channel breakdown

R9
G205
B255
Red9 (3.5%)
Green205 (80.4%)
Blue255 (100%)
Hue192.2°
Saturation (HSL)100%
Lightness51.76%
Dominant channelBlue
Hex per channelR 09 · G CD · B FF

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