Nerdulator> put something in

Recognised as Colour

#39A9AA

  • #39A9AA
  • Cyan
  • Dark
  • Nearest: Light seagreen

#39A9AA is a cyan with RGB values 57, 169, 170 and HSL 181°, 50%, 45%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#39A9AA#39A9AA
HEX#39A9AA
RGBrgb(57, 169, 170)
RGB (0–1)0.2235, 0.6627, 0.6667
RGB percentages22.4%, 66.3%, 66.7%
HSLhsl(180.5, 49.8%, 44.5%)
HSV / HSBhsv(180.5, 66.5%, 66.7%)
CMYK66.5%, 0.6%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,778,986
CSS custom property--colour: #39A9AA;

Brightness & contrast

Relative luminance0.32148WCAG 2.x, 0 is black and 1 is white
Perceived brightness145 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.43:1
Contrast with white2.83:1WCAG normal text: Fail
Contrast with black7.43:1WCAG normal text: AAA
Greyscale equivalent#919191
Inverted#C65655

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9EA1AAno red cones; affects about 1% of men; ΔE 31.6 from the original
Deuteranopia#8D94ABno green cones; the most common form, about 1% of men; ΔE 33 from the original
Tritanopia#00AEA9no blue cones; rare, and affects men and women equally; ΔE 7.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.83:1WCAG large text: Fail
Contrast with black, large text7.43:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 8.3Cadetblue · ΔE 11.2Dark cyan · ΔE 11.3Medium turquoise · ΔE 15.2Teal · ΔE 15.3Dark turquoise · ΔE 15.7
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 8.26, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA3A39
Analogous#39AA73, #3970AA
Triadic#AA39A9, #A9AA39
Split complementary#AA3970, #AA7339
Tetradic#7339AA, #AA3A39, #71AA39

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C4EBEB
Lighter +30%#9EDEDE
Lighter +20%#77D1D2
Lighter +10%#51C4C5
Darker −10%#2C8384
Darker −20%#1F5D5E
Darker −30%#133737
Darker −40%#061111
More saturated +25%#1DC5C6
Less saturated −25%#558D8E

Channel breakdown

R57
G169
B170
Red57 (22.4%)
Green169 (66.3%)
Blue170 (66.7%)
Hue180.53°
Saturation (HSL)49.78%
Lightness44.51%
Dominant channelBlue
Hex per channelR 39 · G A9 · B AA

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “39a9aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.