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Recognised as Colour

#09BBD0

  • #09BBD0
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#09BBD0 is a cyan with RGB values 9, 187, 208 and HSL 186°, 92%, 43%. It is a dark colour, so black text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#09BBD0#09BBD0
HEX#09BBD0
RGBrgb(9, 187, 208)
RGB (0–1)0.0353, 0.7333, 0.8157
RGB percentages3.5%, 73.3%, 81.6%
HSLhsl(186.3, 91.7%, 42.5%)
HSV / HSBhsv(186.3, 95.7%, 81.6%)
CMYK95.7%, 10.1%, 0%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer637,904
CSS custom property--colour: #09BBD0;

Brightness & contrast

Relative luminance0.40153WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.03:1
Contrast with white2.33:1WCAG normal text: Fail
Contrast with black9.03:1WCAG normal text: AAA
Greyscale equivalent#979797
Inverted#F6442F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A9B4D1no red cones; affects about 1% of men; ΔE 34.2 from the original
Deuteranopia#91A3D0no green cones; the most common form, about 1% of men; ΔE 35.6 from the original
Tritanopia#00C5C1no blue cones; rare, and affects men and women equally; ΔE 15.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.33:1WCAG large text: Fail
Contrast with black, large text9.03:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 13.3Medium turquoise · ΔE 16.3Light seagreen · ΔE 16.9Sky blue · ΔE 19Cadetblue · ΔE 20.1Dark cyan · ΔE 21.5
Nearest named CSS colourDark turquoise (#00CED1)ΔE 13.25, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D01E09
Analogous#09D082, #0957D0
Triadic#D009BB, #BBD009
Split complementary#D00958, #D08209
Tetradic#8209D0, #D01E09, #57D009

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AAF3FB
Lighter +30%#79ECF9
Lighter +20%#48E5F7
Lighter +10%#17DEF5
Darker −10%#078F9F
Darker −20%#05636E
Darker −30%#03373D
Darker −40%#010B0C
More saturated +25%#00C2D9
Less saturated −25%#24A6B5

Channel breakdown

R9
G187
B208
Red9 (3.5%)
Green187 (73.3%)
Blue208 (81.6%)
Hue186.33°
Saturation (HSL)91.71%
Lightness42.55%
Dominant channelBlue
Hex per channelR 09 · G BB · B D0

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Every value on this page was computed from “09bbd0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.