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Colour

#81E9DB

  • #81E9DB
  • Cyan
  • Light
  • Nearest: Medium turquoise

#81E9DB is a cyan with RGB values 129, 233, 219 and HSL 172°, 70%, 71%. It is a light colour, so black text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.

Colour values

#81E9DB#81E9DB
HEX#81E9DB
RGBrgb(129, 233, 219)
RGB (0–1)0.5059, 0.9137, 0.8588
RGB percentages50.6%, 91.4%, 85.9%
HSLhsl(171.9, 70.3%, 71%)
HSV / HSBhsv(171.9, 44.6%, 91.4%)
CMYK44.6%, 0%, 6%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,514,011
CSS custom property--colour: #81E9DB;

Brightness & contrast

Relative luminance0.68059WCAG 2.x, 0 is black and 1 is white
Perceived brightness205.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.61:1
Contrast with white1.44:1WCAG normal text: Fail
Contrast with black14.61:1WCAG normal text: AAA
Greyscale equivalent#D2D2D2
Inverted#7E1624

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E0DFDBno red cones; affects about 1% of men; ΔE 33.6 from the original
Deuteranopia#CED2DCno green cones; the most common form, about 1% of men; ΔE 34.3 from the original
Tritanopia#53EDE4no blue cones; rare, and affects men and women equally; ΔE 9.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.44:1WCAG large text: Fail
Contrast with black, large text14.61:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 11.4Turquoise · ΔE 11.6Pale turquoise · ΔE 15Medium aquamarine · ΔE 15.8Dark turquoise · ΔE 16.6Aquamarine · ΔE 18.2
Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 11.45, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E9818F
Analogous#81E9A7, #81C3E9
Triadic#DB81E9, #E9DB81
Split complementary#E981C3, #E9A781
Tetradic#A781E9, #E9818F, #C3E981

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#D8F8F4
Lighter +10%#ACF1E7
Darker −10%#56E1CF
Darker −20%#2ADAC2
Darker −30%#1FB29E
Darker −40%#178778
More saturated +25%#6EFBE9
Less saturated −25%#93D6CD

Channel breakdown

R129
G233
B219
Red129 (50.6%)
Green233 (91.4%)
Blue219 (85.9%)
Hue171.92°
Saturation (HSL)70.27%
Lightness70.98%
Dominant channelGreen
Hex per channelR 81 · G E9 · B DB

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Every value on this page was computed from “81e9db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.