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Recognised as Colour

#81E6BA

  • #81E6BA
  • Cyan
  • Light
  • Nearest: Medium aquamarine

#81E6BA is a cyan with RGB values 129, 230, 186 and HSL 154°, 67%, 70%. It is a light colour, so black text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#81E6BA#81E6BA
HEX#81E6BA
RGBrgb(129, 230, 186)
RGB (0–1)0.5059, 0.902, 0.7294
RGB percentages50.6%, 90.2%, 72.9%
HSLhsl(153.9, 66.9%, 70.4%)
HSV / HSBhsv(153.9, 43.9%, 90.2%)
CMYK43.9%, 0%, 19.1%, 9.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,513,210
CSS custom property--colour: #81E6BA;

Brightness & contrast

Relative luminance0.64806WCAG 2.x, 0 is black and 1 is white
Perceived brightness199.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.96:1
Contrast with white1.5:1WCAG normal text: Fail
Contrast with black13.96:1WCAG normal text: AAA
Greyscale equivalent#CDCDCD
Inverted#7E1945

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E3D9B8no red cones; affects about 1% of men; ΔE 38.1 from the original
Deuteranopia#D3CEBDno green cones; the most common form, about 1% of men; ΔE 38.5 from the original
Tritanopia#64E6D9no blue cones; rare, and affects men and women equally; ΔE 16.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.5:1WCAG large text: Fail
Contrast with black, large text13.96:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 9.7Aquamarine · ΔE 10.1Turquoise · ΔE 17.3Dark seagreen · ΔE 20.7Medium turquoise · ΔE 22.1Medium seagreen · ΔE 24.2
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 9.65, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E681AD
Analogous#81E687, #81E0E6
Triadic#BA81E6, #E6BA81
Split complementary#E681E0, #E68781
Tetradic#8781E6, #E681AD, #E0E681

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#D6F7E9
Lighter +10%#ACEED1
Darker −10%#56DEA3
Darker −20%#2CD58B
Darker −30%#22AC70
Darker −40%#1A8154
More saturated +25%#6EF9BC
Less saturated −25%#94D3B8

Channel breakdown

R129
G230
B186
Red129 (50.6%)
Green230 (90.2%)
Blue186 (72.9%)
Hue153.86°
Saturation (HSL)66.89%
Lightness70.39%
Dominant channelGreen
Hex per channelR 81 · G E6 · B BA

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Every value on this page was computed from “81e6ba” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.