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Recognised as Colour

#81DAD0

  • #81DAD0
  • Cyan
  • Light
  • Nearest: Medium turquoise

#81DAD0 is a cyan with RGB values 129, 218, 208 and HSL 173°, 55%, 68%. It is a light colour, so black text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.

Colour values

#81DAD0#81DAD0
HEX#81DAD0
RGBrgb(129, 218, 208)
RGB (0–1)0.5059, 0.8549, 0.8157
RGB percentages50.6%, 85.5%, 81.6%
HSLhsl(173.3, 54.6%, 68%)
HSV / HSBhsv(173.3, 40.8%, 85.5%)
CMYK40.8%, 0%, 4.6%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,510,160
CSS custom property--colour: #81DAD0;

Brightness & contrast

Relative luminance0.59364WCAG 2.x, 0 is black and 1 is white
Perceived brightness194.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.87:1
Contrast with white1.63:1WCAG normal text: Fail
Contrast with black12.87:1WCAG normal text: AAA
Greyscale equivalent#C6C6C6
Inverted#7E252F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D2D1D0no red cones; affects about 1% of men; ΔE 29.6 from the original
Deuteranopia#C2C6D1no green cones; the most common form, about 1% of men; ΔE 29.9 from the original
Tritanopia#5DDED7no blue cones; rare, and affects men and women equally; ΔE 8.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.63:1WCAG large text: Fail
Contrast with black, large text12.87:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 10.7Pale turquoise · ΔE 13.1Turquoise · ΔE 15Medium aquamarine · ΔE 16.1Dark turquoise · ΔE 16.1Powder blue · ΔE 16.3
Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 10.67, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA818B
Analogous#81DAA4, #81B7DA
Triadic#D081DA, #DAD081
Split complementary#DA81B7, #DAA481
Tetradic#A481DA, #DA818B, #B7DA81

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F7FDFC
Lighter +20%#D0F1ED
Lighter +10%#A8E6DF
Darker −10%#5ACEC1
Darker −20%#38BDAE
Darker −30%#2C968A
Darker −40%#206F66
More saturated +25%#6DEEE0
Less saturated −25%#95C6C0

Channel breakdown

R129
G218
B208
Red129 (50.6%)
Green218 (85.5%)
Blue208 (81.6%)
Hue173.26°
Saturation (HSL)54.6%
Lightness68.04%
Dominant channelGreen
Hex per channelR 81 · G DA · B D0

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Every value on this page was computed from “81dad0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.