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Recognised as Colour

#09CFDD

  • #09CFDD
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#09CFDD is a cyan with RGB values 9, 207, 221 and HSL 184°, 92%, 45%. It is a dark colour, so black text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#09CFDD#09CFDD
HEX#09CFDD
RGBrgb(9, 207, 221)
RGB (0–1)0.0353, 0.8118, 0.8667
RGB percentages3.5%, 81.2%, 86.7%
HSLhsl(184, 92.2%, 45.1%)
HSV / HSBhsv(184, 95.9%, 86.7%)
CMYK95.9%, 6.3%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer643,037
CSS custom property--colour: #09CFDD;

Brightness & contrast

Relative luminance0.49904WCAG 2.x, 0 is black and 1 is white
Perceived brightness175.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.98:1
Contrast with white1.91:1WCAG normal text: Fail
Contrast with black10.98:1WCAG normal text: AAA
Greyscale equivalent#A6A6A6
Inverted#F63022

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BDC6DEno red cones; affects about 1% of men; ΔE 39 from the original
Deuteranopia#A4B4DEno green cones; the most common form, about 1% of men; ΔE 40.6 from the original
Tritanopia#00D8D3no blue cones; rare, and affects men and women equally; ΔE 11.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.91:1WCAG large text: Fail
Contrast with black, large text10.98:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 6.4Medium turquoise · ΔE 10.6Light seagreen · ΔE 16.2Turquoise · ΔE 17.5Aqua · ΔE 19.6Cyan · ΔE 19.6
Nearest named CSS colourDark turquoise (#00CED1)ΔE 6.43, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD1709
Analogous#09DD81, #0965DD
Triadic#DD09CF, #CFDD09
Split complementary#DD0965, #DD8109
Tetradic#8109DD, #DD1709, #65DD09

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B6F7FC
Lighter +30%#85F2FA
Lighter +20%#54EDF8
Lighter +10%#23E8F6
Darker −10%#07A1AC
Darker −20%#05737B
Darker −30%#03454A
Darker −40%#011719
More saturated +25%#00D7E6
Less saturated −25%#26B6C0

Channel breakdown

R9
G207
B221
Red9 (3.5%)
Green207 (81.2%)
Blue221 (86.7%)
Hue183.96°
Saturation (HSL)92.17%
Lightness45.1%
Dominant channelBlue
Hex per channelR 09 · G CF · B DD

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