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Recognised as Colour

#81FFAA

  • #81FFAA
  • Green
  • Light
  • Nearest: Pale green

#81FFAA is a green with RGB values 129, 255, 170 and HSL 140°, 100%, 75%. It is a light colour, so black text on it reaches 16.8:1 contrast (AAA for normal text). The nearest named colour is Pale green.

Colour values

#81FFAA#81FFAA
HEX#81FFAA
RGBrgb(129, 255, 170)
RGB (0–1)0.5059, 1, 0.6667
RGB percentages50.6%, 100%, 66.7%
HSLhsl(139.5, 100%, 75.3%)
HSV / HSBhsv(139.5, 49.4%, 100%)
CMYK49.4%, 0%, 33.3%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,519,594
CSS custom property--colour: #81FFAA;

Brightness & contrast

Relative luminance0.79089WCAG 2.x, 0 is black and 1 is white
Perceived brightness215.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.82:1
Contrast with white1.25:1WCAG normal text: Fail
Contrast with black16.82:1WCAG normal text: AAA
Greyscale equivalent#DEDEDE
Inverted#7E0055

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEEA5no red cones; affects about 1% of men; ΔE 49.4 from the original
Deuteranopia#EDE1AFno green cones; the most common form, about 1% of men; ΔE 49.9 from the original
Tritanopia#64FCE9no blue cones; rare, and affects men and women equally; ΔE 34.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.25:1WCAG large text: Fail
Contrast with black, large text16.82:1WCAG large text: AAA

Named colours

Pale green · ΔE 9.8Light green · ΔE 10.8Medium spring green · ΔE 18Aquamarine · ΔE 21.8Medium seagreen · ΔE 27.1Spring green · ΔE 29.2
Nearest named CSS colourPale green (#98FB98)ΔE 9.8, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF81D6
Analogous#97FF81, #81FFE9
Triadic#AA81FF, #FFAA81
Split complementary#E981FF, #FF8197
Tetradic#8197FF, #FF81D6, #FFE981

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E7FFEF
Lighter +10%#B4FFCC
Darker −10%#4EFF88
Darker −20%#1BFF65
Darker −30%#00E74B
Darker −40%#00B43B
More saturated +25%#81FFAA
Less saturated −25%#91EFAF

Channel breakdown

R129
G255
B170
Red129 (50.6%)
Green255 (100%)
Blue170 (66.7%)
Hue139.52°
Saturation (HSL)100%
Lightness75.29%
Dominant channelGreen
Hex per channelR 81 · G FF · B AA

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