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Colour

#81CEC4

  • #81CEC4
  • Cyan
  • Light
  • Nearest: Medium turquoise

#81CEC4 is a cyan with RGB values 129, 206, 196 and HSL 172°, 44%, 66%. It is a light colour, so black text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.

Colour values

#81CEC4#81CEC4
HEX#81CEC4
RGBrgb(129, 206, 196)
RGB (0–1)0.5059, 0.8078, 0.7686
RGB percentages50.6%, 80.8%, 76.9%
HSLhsl(172.2, 44%, 65.7%)
HSV / HSBhsv(172.2, 37.4%, 80.8%)
CMYK37.4%, 0%, 4.9%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,507,076
CSS custom property--colour: #81CEC4;

Brightness & contrast

Relative luminance0.52795WCAG 2.x, 0 is black and 1 is white
Perceived brightness185.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.56:1
Contrast with white1.82:1WCAG normal text: Fail
Contrast with black11.56:1WCAG normal text: AAA
Greyscale equivalent#BDBDBD
Inverted#7E313B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C7C6C4no red cones; affects about 1% of men; ΔE 26.4 from the original
Deuteranopia#B9BCC5no green cones; the most common form, about 1% of men; ΔE 26.9 from the original
Tritanopia#65D1CBno blue cones; rare, and affects men and women equally; ΔE 7.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.82:1WCAG large text: Fail
Contrast with black, large text11.56:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 12.7Pale turquoise · ΔE 14.4Powder blue · ΔE 15.6Medium aquamarine · ΔE 16.5Light seagreen · ΔE 17Dark turquoise · ΔE 17.9
Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 12.74, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CE818B
Analogous#81CE9D, #81B2CE
Triadic#C481CE, #CEC481
Split complementary#CE81B2, #CE9D81
Tetradic#9D81CE, #CE818B, #B2CE81

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EFF9F8
Lighter +20%#CAEBE6
Lighter +10%#A6DCD5
Darker −10%#5CC0B3
Darker −20%#41A89A
Darker −30%#338379
Darker −40%#255E57
More saturated +25%#6BE4D4
Less saturated −25%#97B8B4

Channel breakdown

R129
G206
B196
Red129 (50.6%)
Green206 (80.8%)
Blue196 (76.9%)
Hue172.21°
Saturation (HSL)44%
Lightness65.69%
Dominant channelGreen
Hex per channelR 81 · G CE · B C4

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Every value on this page was computed from “81cec4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.