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Recognised as Colour

#81FADF

  • #81FADF
  • Cyan
  • Light
  • Nearest: Aquamarine

#81FADF is a cyan with RGB values 129, 250, 223 and HSL 167°, 92%, 74%. It is a light colour, so black text on it reaches 16.7:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#81FADF#81FADF
HEX#81FADF
RGBrgb(129, 250, 223)
RGB (0–1)0.5059, 0.9804, 0.8745
RGB percentages50.6%, 98%, 87.5%
HSLhsl(166.6, 92.4%, 74.3%)
HSV / HSBhsv(166.6, 48.4%, 98%)
CMYK48.4%, 0%, 10.8%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,518,367
CSS custom property--colour: #81FADF;

Brightness & contrast

Relative luminance0.78366WCAG 2.x, 0 is black and 1 is white
Perceived brightness217.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.67:1
Contrast with white1.26:1WCAG normal text: Fail
Contrast with black16.67:1WCAG normal text: AAA
Greyscale equivalent#DEDEDE
Inverted#7E0520

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F2EDDEno red cones; affects about 1% of men; ΔE 40 from the original
Deuteranopia#DFDFE1no green cones; the most common form, about 1% of men; ΔE 41 from the original
Tritanopia#4BFDF2no blue cones; rare, and affects men and women equally; ΔE 11.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.26:1WCAG large text: Fail
Contrast with black, large text16.67:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 8.9Turquoise · ΔE 12.2Medium aquamarine · ΔE 16.5Medium turquoise · ΔE 18Aqua · ΔE 18.3Cyan · ΔE 18.3
Nearest named CSS colourAquamarine (#7FFFD4)ΔE 8.93, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FA819C
Analogous#81FAA3, #81D9FA
Triadic#DF81FA, #FADF81
Split complementary#FA81D9, #FAA281
Tetradic#A381FA, #FA819C, #D9FA81

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E3FEF8
Lighter +10%#B2FCEB
Darker −10%#50F8D3
Darker −20%#1FF6C6
Darker −30%#09D9AB
Darker −40%#07A884
More saturated +25%#7CFFE2
Less saturated −25%#91EAD6

Channel breakdown

R129
G250
B223
Red129 (50.6%)
Green250 (98%)
Blue223 (87.5%)
Hue166.61°
Saturation (HSL)92.37%
Lightness74.31%
Dominant channelGreen
Hex per channelR 81 · G FA · B DF

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