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Recognised as Colour

#39AAA9

  • #39AAA9
  • Cyan
  • Dark
  • Nearest: Light seagreen

#39AAA9 is a cyan with RGB values 57, 170, 169 and HSL 179°, 50%, 45%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#39AAA9#39AAA9
HEX#39AAA9
RGBrgb(57, 170, 169)
RGB (0–1)0.2235, 0.6667, 0.6627
RGB percentages22.4%, 66.7%, 66.3%
HSLhsl(179.5, 49.8%, 44.5%)
HSV / HSBhsv(179.5, 66.5%, 66.7%)
CMYK66.5%, 0%, 0.6%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,779,241
CSS custom property--colour: #39AAA9;

Brightness & contrast

Relative luminance0.32484WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.5:1
Contrast with white2.8:1WCAG normal text: Fail
Contrast with black7.5:1WCAG normal text: AAA
Greyscale equivalent#929292
Inverted#C65556

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9FA2A9no red cones; affects about 1% of men; ΔE 31.9 from the original
Deuteranopia#8E95AAno green cones; the most common form, about 1% of men; ΔE 33.3 from the original
Tritanopia#00AFA9no blue cones; rare, and affects men and women equally; ΔE 7.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.8:1WCAG large text: Fail
Contrast with black, large text7.5:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 7.1Dark cyan · ΔE 11.5Cadetblue · ΔE 11.8Medium turquoise · ΔE 14.5Dark turquoise · ΔE 15.3Teal · ΔE 15.7
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 7.13, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA393A
Analogous#39AA70, #3973AA
Triadic#A939AA, #AAA939
Split complementary#AA3973, #AA7039
Tetradic#7039AA, #AA393A, #72AA39

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C4EBEB
Lighter +30%#9EDEDE
Lighter +20%#77D2D1
Lighter +10%#51C5C4
Darker −10%#2C8483
Darker −20%#1F5E5D
Darker −30%#133737
Darker −40%#061111
More saturated +25%#1DC6C5
Less saturated −25%#558E8D

Channel breakdown

R57
G170
B169
Red57 (22.4%)
Green170 (66.7%)
Blue169 (66.3%)
Hue179.47°
Saturation (HSL)49.78%
Lightness44.51%
Dominant channelGreen
Hex per channelR 39 · G AA · B A9

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Every value on this page was computed from “39aaa9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.