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Colour

#81AABA

  • #81AABA
  • Cyan
  • Dark
  • Nearest: Cadetblue

#81AABA is a cyan with RGB values 129, 170, 186 and HSL 197°, 29%, 62%. It is a dark colour, so black text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.

Colour values

#81AABA#81AABA
HEX#81AABA
RGBrgb(129, 170, 186)
RGB (0–1)0.5059, 0.6667, 0.7294
RGB percentages50.6%, 66.7%, 72.9%
HSLhsl(196.8, 29.2%, 61.8%)
HSV / HSBhsv(196.8, 30.6%, 72.9%)
CMYK30.6%, 8.6%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,497,850
CSS custom property--colour: #81AABA;

Brightness & contrast

Relative luminance0.36962WCAG 2.x, 0 is black and 1 is white
Perceived brightness160.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.39:1
Contrast with white2.5:1WCAG normal text: Fail
Contrast with black8.39:1WCAG normal text: AAA
Greyscale equivalent#A2A2A2
Inverted#7E5545

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A1A8BBno red cones; affects about 1% of men; ΔE 11.7 from the original
Deuteranopia#98A1BAno green cones; the most common form, about 1% of men; ΔE 12.2 from the original
Tritanopia#6EAFAFno blue cones; rare, and affects men and women equally; ΔE 12.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.5:1WCAG large text: Fail
Contrast with black, large text8.39:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 12.6Light slate grey · ΔE 13.8Light steelblue · ΔE 14.4Sky blue · ΔE 15.5Dark grey · ΔE 16.2Slate grey · ΔE 16.5
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 12.63, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BA9181
Analogous#81BAAE, #818DBA
Triadic#BA81AA, #AABA81
Split complementary#BA818E, #BAAE81
Tetradic#AE81BA, #BA9181, #8DBA81

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E4EDF0
Lighter +20%#C3D6DE
Lighter +10%#A2C0CC
Darker −10%#6094A8
Darker −20%#4B788A
Darker −30%#395B69
Darker −40%#273F48
More saturated +25%#69B5D2
Less saturated −25%#999FA2

Channel breakdown

R129
G170
B186
Red129 (50.6%)
Green170 (66.7%)
Blue186 (72.9%)
Hue196.84°
Saturation (HSL)29.23%
Lightness61.76%
Dominant channelBlue
Hex per channelR 81 · G AA · B BA

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