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Recognised as Colour

#81E9AA

  • #81E9AA
  • Green
  • Light
  • Nearest: Aquamarine

#81E9AA is a green with RGB values 129, 233, 170 and HSL 144°, 70%, 71%. It is a light colour, so black text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#81E9AA#81E9AA
HEX#81E9AA
RGBrgb(129, 233, 170)
RGB (0–1)0.5059, 0.9137, 0.6667
RGB percentages50.6%, 91.4%, 66.7%
HSLhsl(143.7, 70.3%, 71%)
HSV / HSBhsv(143.7, 44.6%, 91.4%)
CMYK44.6%, 0%, 27%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,513,962
CSS custom property--colour: #81E9AA;

Brightness & contrast

Relative luminance0.65847WCAG 2.x, 0 is black and 1 is white
Perceived brightness200.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.17:1
Contrast with white1.48:1WCAG normal text: Fail
Contrast with black14.17:1WCAG normal text: AAA
Greyscale equivalent#CECECE
Inverted#7E1655

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E8DBA6no red cones; affects about 1% of men; ΔE 41 from the original
Deuteranopia#D9D0AEno green cones; the most common form, about 1% of men; ΔE 41.8 from the original
Tritanopia#69E7D8no blue cones; rare, and affects men and women equally; ΔE 25.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.48:1WCAG large text: Fail
Contrast with black, large text14.17:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 13.8Light green · ΔE 15.8Medium aquamarine · ΔE 17Pale green · ΔE 18.6Medium seagreen · ΔE 20.3Dark seagreen · ΔE 24.2
Nearest named CSS colourAquamarine (#7FFFD4)ΔE 13.78, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E981C0
Analogous#8CE981, #81E9DE
Triadic#AA81E9, #E9AA81
Split complementary#DE81E9, #E9818C
Tetradic#818CE9, #E981C0, #E9DE81

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#D8F8E5
Lighter +10%#ACF1C7
Darker −10%#56E18D
Darker −20%#2ADA6F
Darker −30%#1FB259
Darker −40%#178743
More saturated +25%#6EFBA6
Less saturated −25%#93D6AE

Channel breakdown

R129
G233
B170
Red129 (50.6%)
Green233 (91.4%)
Blue170 (66.7%)
Hue143.65°
Saturation (HSL)70.27%
Lightness70.98%
Dominant channelGreen
Hex per channelR 81 · G E9 · B AA

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Every value on this page was computed from “81e9aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.