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Recognised as Colour

#81E0DD

  • #81E0DD
  • Cyan
  • Light
  • Nearest: Medium turquoise

#81E0DD is a cyan with RGB values 129, 224, 221 and HSL 178°, 61%, 69%. It is a light colour, so black text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.

Colour values

#81E0DD#81E0DD
HEX#81E0DD
RGBrgb(129, 224, 221)
RGB (0–1)0.5059, 0.8784, 0.8667
RGB percentages50.6%, 87.8%, 86.7%
HSLhsl(178.1, 60.5%, 69.2%)
HSV / HSBhsv(178.1, 42.4%, 87.8%)
CMYK42.4%, 0%, 1.3%, 12.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,511,709
CSS custom property--colour: #81E0DD;

Brightness & contrast

Relative luminance0.63199WCAG 2.x, 0 is black and 1 is white
Perceived brightness200 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.64:1
Contrast with white1.54:1WCAG normal text: Fail
Contrast with black13.64:1WCAG normal text: AAA
Greyscale equivalent#CCCCCC
Inverted#7E1F22

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D6D7DDno red cones; affects about 1% of men; ΔE 30 from the original
Deuteranopia#C5CBDEno green cones; the most common form, about 1% of men; ΔE 30.7 from the original
Tritanopia#54E5DFno blue cones; rare, and affects men and women equally; ΔE 10.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.54:1WCAG large text: Fail
Contrast with black, large text13.64:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 10.9Pale turquoise · ΔE 11.3Powder blue · ΔE 15Dark turquoise · ΔE 15.2Turquoise · ΔE 15.8Light blue · ΔE 18.4
Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 10.88, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E08184
Analogous#81E0AE, #81B3E0
Triadic#DD81E0, #E0DD81
Split complementary#E081B3, #E0AE81
Tetradic#AE81E0, #E08184, #B3E081

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FCFEFE
Lighter +20%#D3F4F3
Lighter +10%#AAEAE8
Darker −10%#58D6D2
Darker −20%#32C9C5
Darker −30%#27A19D
Darker −40%#1D7875
More saturated +25%#6DF4EF
Less saturated −25%#95CCCB

Channel breakdown

R129
G224
B221
Red129 (50.6%)
Green224 (87.8%)
Blue221 (86.7%)
Hue178.11°
Saturation (HSL)60.51%
Lightness69.22%
Dominant channelGreen
Hex per channelR 81 · G E0 · B DD

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Every value on this page was computed from “81e0dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.