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Recognised as Colour

#09DFF0

  • #09DFF0
  • Cyan
  • Light
  • Nearest: Dark turquoise

#09DFF0 is a cyan with RGB values 9, 223, 240 and HSL 184°, 93%, 49%. It is a light colour, so black text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#09DFF0#09DFF0
HEX#09DFF0
RGBrgb(9, 223, 240)
RGB (0–1)0.0353, 0.8745, 0.9412
RGB percentages3.5%, 87.5%, 94.1%
HSLhsl(184.4, 92.8%, 48.8%)
HSV / HSBhsv(184.4, 96.3%, 94.1%)
CMYK96.3%, 7.1%, 0%, 5.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer647,152
CSS custom property--colour: #09DFF0;

Brightness & contrast

Relative luminance0.59125WCAG 2.x, 0 is black and 1 is white
Perceived brightness189.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.82:1
Contrast with white1.64:1WCAG normal text: Fail
Contrast with black12.82:1WCAG normal text: AAA
Greyscale equivalent#B3B3B3
Inverted#F6200F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CBD5F1no red cones; affects about 1% of men; ΔE 41 from the original
Deuteranopia#B1C2F1no green cones; the most common form, about 1% of men; ΔE 42.9 from the original
Tritanopia#00E9E4no blue cones; rare, and affects men and women equally; ΔE 13.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.64:1WCAG large text: Fail
Contrast with black, large text12.82:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 9.8Medium turquoise · ΔE 13.4Aqua · ΔE 15.5Cyan · ΔE 15.5Turquoise · ΔE 17.9Light seagreen · ΔE 21.4
Nearest named CSS colourDark turquoise (#00CED1)ΔE 9.79, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F01A09
Analogous#09F08D, #096CF0
Triadic#F009DF, #DFF009
Split complementary#F0096C, #F08E09
Tetradic#8D09F0, #F01A09, #6BF009

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8F9FD
Lighter +30%#97F4FB
Lighter +20%#66EEF9
Lighter +10%#35E9F7
Darker −10%#07B1BF
Darker −20%#05848E
Darker −30%#03565D
Darker −40%#02282B
More saturated +25%#00E7F9
Less saturated −25%#28C4D1

Channel breakdown

R9
G223
B240
Red9 (3.5%)
Green223 (87.5%)
Blue240 (94.1%)
Hue184.42°
Saturation (HSL)92.77%
Lightness48.82%
Dominant channelBlue
Hex per channelR 09 · G DF · B F0

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Every value on this page was computed from “09dff0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.