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Recognised as Colour

#81E891

  • #81E891
  • Green
  • Light
  • Nearest: Light green

#81E891 is a green with RGB values 129, 232, 145 and HSL 129°, 69%, 71%. It is a light colour, so black text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Light green.

Colour values

#81E891#81E891
HEX#81E891
RGBrgb(129, 232, 145)
RGB (0–1)0.5059, 0.9098, 0.5686
RGB percentages50.6%, 91%, 56.9%
HSLhsl(129.3, 69.1%, 70.8%)
HSV / HSBhsv(129.3, 44.4%, 91%)
CMYK44.4%, 0%, 37.5%, 9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,513,681
CSS custom property--colour: #81E891;

Brightness & contrast

Relative luminance0.64425WCAG 2.x, 0 is black and 1 is white
Perceived brightness197.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.88:1
Contrast with white1.51:1WCAG normal text: Fail
Contrast with black13.88:1WCAG normal text: AAA
Greyscale equivalent#CCCCCC
Inverted#7E176E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#EAD88Bno red cones; affects about 1% of men; ΔE 44.1 from the original
Deuteranopia#DBCE96no green cones; the most common form, about 1% of men; ΔE 44.3 from the original
Tritanopia#70E4D2no blue cones; rare, and affects men and women equally; ΔE 36.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.51:1WCAG large text: Fail
Contrast with black, large text13.88:1WCAG large text: AAA

Named colours

Light green · ΔE 4.7Pale green · ΔE 8.4Medium seagreen · ΔE 20.9Medium spring green · ΔE 23Aquamarine · ΔE 24.9Medium aquamarine · ΔE 28
Nearest named CSS colourLight green (#90EE90)ΔE 4.69, a close match
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E881D8
Analogous#A4E881, #81E8C5
Triadic#9181E8, #E89181
Split complementary#C581E8, #E881A4
Tetradic#81A4E8, #E881D8, #E8C581

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#D7F8DC
Lighter +10%#ACF0B7
Darker −10%#56E06B
Darker −20%#2BD846
Darker −30%#20B036
Darker −40%#188529
More saturated +25%#6EFB84
Less saturated −25%#94D59E

Channel breakdown

R129
G232
B145
Red129 (50.6%)
Green232 (91%)
Blue145 (56.9%)
Hue129.32°
Saturation (HSL)69.13%
Lightness70.78%
Dominant channelGreen
Hex per channelR 81 · G E8 · B 91

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Every value on this page was computed from “81e891” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.