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Recognised as Colour

#11B9BF

  • #11B9BF
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#11B9BF is a cyan with RGB values 17, 185, 191 and HSL 182°, 84%, 41%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#11B9BF#11B9BF
HEX#11B9BF
RGBrgb(17, 185, 191)
RGB (0–1)0.0667, 0.7255, 0.749
RGB percentages6.7%, 72.5%, 74.9%
HSLhsl(182.1, 83.7%, 40.8%)
HSV / HSBhsv(182.1, 91.1%, 74.9%)
CMYK91.1%, 3.1%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,161,663
CSS custom property--colour: #11B9BF;

Brightness & contrast

Relative luminance0.38579WCAG 2.x, 0 is black and 1 is white
Perceived brightness156 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.72:1
Contrast with white2.41:1WCAG normal text: Fail
Contrast with black8.72:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#EE4640

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ABB0C0no red cones; affects about 1% of men; ΔE 37.3 from the original
Deuteranopia#95A0C0no green cones; the most common form, about 1% of men; ΔE 38.7 from the original
Tritanopia#00C0BAno blue cones; rare, and affects men and women equally; ΔE 7.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.41:1WCAG large text: Fail
Contrast with black, large text8.72:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 8.3Light seagreen · ΔE 8.4Medium turquoise · ΔE 10.3Dark cyan · ΔE 17.6Turquoise · ΔE 18.4Cadetblue · ΔE 18.5
Nearest named CSS colourDark turquoise (#00CED1)ΔE 8.3, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF1711
Analogous#11BF6E, #1162BF
Triadic#BF11B9, #B9BF11
Split complementary#BF1162, #BF6E11
Tetradic#6E11BF, #BF1711, #62BF11

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A5F4F7
Lighter +30%#76EFF3
Lighter +20%#47E9EF
Lighter +10%#19E3EA
Darker −10%#0D8C90
Darker −20%#095E61
Darker −30%#043133
Darker −40%#000404
More saturated +25%#00C9D0
Less saturated −25%#2BA1A5

Channel breakdown

R17
G185
B191
Red17 (6.7%)
Green185 (72.5%)
Blue191 (74.9%)
Hue182.07°
Saturation (HSL)83.65%
Lightness40.78%
Dominant channelBlue
Hex per channelR 11 · G B9 · B BF

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Every value on this page was computed from “11b9bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.