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Recognised as Colour

#81E7CE

  • #81E7CE
  • Cyan
  • Light
  • Nearest: Medium aquamarine

#81E7CE is a cyan with RGB values 129, 231, 206 and HSL 165°, 68%, 71%. It is a light colour, so black text on it reaches 14.3:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#81E7CE#81E7CE
HEX#81E7CE
RGBrgb(129, 231, 206)
RGB (0–1)0.5059, 0.9059, 0.8078
RGB percentages50.6%, 90.6%, 80.8%
HSLhsl(165.3, 68%, 70.6%)
HSV / HSBhsv(165.3, 44.2%, 90.6%)
CMYK44.2%, 0%, 10.8%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,513,486
CSS custom property--colour: #81E7CE;

Brightness & contrast

Relative luminance0.66275WCAG 2.x, 0 is black and 1 is white
Perceived brightness202.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.26:1
Contrast with white1.47:1WCAG normal text: Fail
Contrast with black14.26:1WCAG normal text: AAA
Greyscale equivalent#D0D0D0
Inverted#7E1831

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E0DCCDno red cones; affects about 1% of men; ΔE 34.9 from the original
Deuteranopia#D0D0D0no green cones; the most common form, about 1% of men; ΔE 35.8 from the original
Tritanopia#5BE9DFno blue cones; rare, and affects men and women equally; ΔE 10.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.47:1WCAG large text: Fail
Contrast with black, large text14.26:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 11.2Turquoise · ΔE 11.6Aquamarine · ΔE 13.8Medium turquoise · ΔE 14.1Pale turquoise · ΔE 19.2Dark turquoise · ΔE 19.6
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 11.2, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E7819A
Analogous#81E79B, #81CDE7
Triadic#CE81E7, #E7CE81
Split complementary#E781CD, #E79B81
Tetradic#9B81E7, #E7819A, #CDE781

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#D7F7EF
Lighter +10%#ACEFDF
Darker −10%#56DFBD
Darker −20%#2BD7AD
Darker −30%#21AE8B
Darker −40%#198369
More saturated +25%#6EFAD8
Less saturated −25%#94D4C4

Channel breakdown

R129
G231
B206
Red129 (50.6%)
Green231 (90.6%)
Blue206 (80.8%)
Hue165.29°
Saturation (HSL)68%
Lightness70.59%
Dominant channelGreen
Hex per channelR 81 · G E7 · B CE

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Every value on this page was computed from “81e7ce” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.