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Recognised as Colour

#81E8C8

  • #81E8C8
  • Cyan
  • Light
  • Nearest: Medium aquamarine

#81E8C8 is a cyan with RGB values 129, 232, 200 and HSL 161°, 69%, 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

#81E8C8#81E8C8
HEX#81E8C8
RGBrgb(129, 232, 200)
RGB (0–1)0.5059, 0.9098, 0.7843
RGB percentages50.6%, 91%, 78.4%
HSLhsl(161.4, 69.1%, 70.8%)
HSV / HSBhsv(161.4, 44.4%, 91%)
CMYK44.4%, 0%, 13.8%, 9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,513,736
CSS custom property--colour: #81E8C8;

Brightness & contrast

Relative luminance0.6655WCAG 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 14.31:1
Contrast with white1.47:1WCAG normal text: Fail
Contrast with black14.31:1WCAG normal text: AAA
Greyscale equivalent#D0D0D0
Inverted#7E1737

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E3DCC7no red cones; affects about 1% of men; ΔE 36.7 from the original
Deuteranopia#D2D0CAno green cones; the most common form, about 1% of men; ΔE 37.2 from the original
Tritanopia#5DEADFno blue cones; rare, and affects men and women equally; ΔE 12.6 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 text14.31:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 9.8Aquamarine · ΔE 11.1Turquoise · ΔE 12.9Medium turquoise · ΔE 16.9Dark turquoise · ΔE 22.3Dark seagreen · ΔE 22.3
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 9.84, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E881A1
Analogous#81E894, #81D5E8
Triadic#C881E8, #E8C881
Split complementary#E881D5, #E89481
Tetradic#9481E8, #E881A1, #D4E881

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#D7F8EE
Lighter +10%#ACF0DB
Darker −10%#56E0B5
Darker −20%#2BD8A2
Darker −30%#20B083
Darker −40%#188563
More saturated +25%#6EFBCF
Less saturated −25%#94D5C1

Channel breakdown

R129
G232
B200
Red129 (50.6%)
Green232 (91%)
Blue200 (78.4%)
Hue161.36°
Saturation (HSL)69.13%
Lightness70.78%
Dominant channelGreen
Hex per channelR 81 · G E8 · B C8

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Every value on this page was computed from “81e8c8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.