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Recognised as Colour

#81FDFA

  • #81FDFA
  • Cyan
  • Light
  • Nearest: Aqua

#81FDFA is a cyan with RGB values 129, 253, 250 and HSL 179°, 97%, 75%. It is a light colour, so black text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Aqua.

Colour values

#81FDFA#81FDFA
HEX#81FDFA
RGBrgb(129, 253, 250)
RGB (0–1)0.5059, 0.9922, 0.9804
RGB percentages50.6%, 99.2%, 98%
HSLhsl(178.5, 96.9%, 74.9%)
HSV / HSBhsv(178.5, 49%, 99.2%)
CMYK49%, 0%, 1.2%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,519,162
CSS custom property--colour: #81FDFA;

Brightness & contrast

Relative luminance0.8182WCAG 2.x, 0 is black and 1 is white
Perceived brightness222.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 17.36:1
Contrast with white1.21:1WCAG normal text: Fail
Contrast with black17.36:1WCAG normal text: AAA
Greyscale equivalent#E2E2E2
Inverted#7E0205

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F0F3FAno red cones; affects about 1% of men; ΔE 36.2 from the original
Deuteranopia#DBE3FBno green cones; the most common form, about 1% of men; ΔE 37.5 from the original
Tritanopia#30FFFCno blue cones; rare, and affects men and women equally; ΔE 12.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.21:1WCAG large text: Fail
Contrast with black, large text17.36:1WCAG large text: AAA

Named colours

Aqua · ΔE 13.7Cyan · ΔE 13.7Turquoise · ΔE 15.2Medium turquoise · ΔE 15.8Pale turquoise · ΔE 16.2Dark turquoise · ΔE 18.3
Nearest named CSS colourAqua (#00FFFF)ΔE 13.71, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FD8184
Analogous#81FDBC, #81C2FD
Triadic#FA81FD, #FDFA81
Split complementary#FD81C2, #FDBC81
Tetradic#BC81FD, #FD8184, #C2FD81

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E5FFFE
Lighter +10%#B3FEFC
Darker −10%#4FFCF8
Darker −20%#1DFBF6
Darker −30%#04E1DC
Darker −40%#03AFAB
More saturated +25%#7FFFFC
Less saturated −25%#91EDEB

Channel breakdown

R129
G253
B250
Red129 (50.6%)
Green253 (99.2%)
Blue250 (98%)
Hue178.55°
Saturation (HSL)96.88%
Lightness74.9%
Dominant channelGreen
Hex per channelR 81 · G FD · B FA

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