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Recognised as Colour

#11C8AB

  • #11C8AB
  • Cyan
  • Dark
  • Nearest: Medium aquamarine

#11C8AB is a cyan with RGB values 17, 200, 171 and HSL 170°, 84%, 43%. It is a dark colour, so black text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#11C8AB#11C8AB
HEX#11C8AB
RGBrgb(17, 200, 171)
RGB (0–1)0.0667, 0.7843, 0.6706
RGB percentages6.7%, 78.4%, 67.1%
HSLhsl(170.5, 84.3%, 42.5%)
HSV / HSBhsv(170.5, 91.5%, 78.4%)
CMYK91.5%, 0%, 14.5%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,165,483
CSS custom property--colour: #11C8AB;

Brightness & contrast

Relative luminance0.44368WCAG 2.x, 0 is black and 1 is white
Perceived brightness164 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.87:1
Contrast with white2.13:1WCAG normal text: Fail
Contrast with black9.87:1WCAG normal text: AAA
Greyscale equivalent#9F9F9F
Inverted#EE3754

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C0BBAAno red cones; affects about 1% of men; ΔE 47.1 from the original
Deuteranopia#ABABADno green cones; the most common form, about 1% of men; ΔE 48.3 from the original
Tritanopia#00CBBFno blue cones; rare, and affects men and women equally; ΔE 9.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.13:1WCAG large text: Fail
Contrast with black, large text9.87:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 11.3Turquoise · ΔE 11.8Light seagreen · ΔE 15.3Medium turquoise · ΔE 15.9Dark turquoise · ΔE 18.3Aquamarine · ΔE 20.8
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 11.31, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C8112E
Analogous#11C84F, #118AC8
Triadic#AB11C8, #C8AB11
Split complementary#C8118A, #C84F11
Tetradic#4F11C8, #C8112E, #8AC811

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADF8EC
Lighter +30%#7EF4E1
Lighter +20%#4FF0D7
Lighter +10%#20ECCC
Darker −10%#0D9983
Darker −20%#096A5B
Darker −30%#053B32
Darker −40%#010C0A
More saturated +25%#00D9B7
Less saturated −25%#2CAD98

Channel breakdown

R17
G200
B171
Red17 (6.7%)
Green200 (78.4%)
Blue171 (67.1%)
Hue170.49°
Saturation (HSL)84.33%
Lightness42.55%
Dominant channelGreen
Hex per channelR 11 · G C8 · B AB

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Every value on this page was computed from “11c8ab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.