Nerdulator> put something in

Recognised as Colour

#57ABA9

  • #57ABA9
  • Cyan
  • Dark
  • Nearest: Cadetblue

#57ABA9 is a cyan with RGB values 87, 171, 169 and HSL 179°, 33%, 51%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.

Colour values

#57ABA9#57ABA9
HEX#57ABA9
RGBrgb(87, 171, 169)
RGB (0–1)0.3412, 0.6706, 0.6627
RGB percentages34.1%, 67.1%, 66.3%
HSLhsl(178.6, 33.3%, 50.6%)
HSV / HSBhsv(178.6, 49.1%, 67.1%)
CMYK49.1%, 0%, 1.2%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,745,577
CSS custom property--colour: #57ABA9;

Brightness & contrast

Relative luminance0.34017WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.8:1
Contrast with white2.69:1WCAG normal text: Fail
Contrast with black7.8:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#A85456

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A2A4A9no red cones; affects about 1% of men; ΔE 26.6 from the original
Deuteranopia#9499AAno green cones; the most common form, about 1% of men; ΔE 27.8 from the original
Tritanopia#24AFAAno blue cones; rare, and affects men and women equally; ΔE 9.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.69:1WCAG large text: Fail
Contrast with black, large text7.8:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 7.3Light seagreen · ΔE 11.6Dark cyan · ΔE 13.8Medium turquoise · ΔE 16.6Teal · ΔE 17.1Dark turquoise · ΔE 18.7
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 7.33, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB5759
Analogous#57AB7F, #5783AB
Triadic#A957AB, #ABA957
Split complementary#AB5783, #AB7F57
Tetradic#7F57AB, #AB5759, #83AB57

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFEFEF
Lighter +30%#BDDEDD
Lighter +20%#9BCDCC
Lighter +10%#79BCBA
Darker −10%#458A88
Darker −20%#346867
Darker −30%#234645
Darker −40%#122424
More saturated +25%#38CBC7
Less saturated −25%#778B8B

Channel breakdown

R87
G171
B169
Red87 (34.1%)
Green171 (67.1%)
Blue169 (66.3%)
Hue178.57°
Saturation (HSL)33.33%
Lightness50.59%
Dominant channelGreen
Hex per channelR 57 · G AB · B A9

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 “57aba9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.