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Recognised as Colour

#5BB9BE

  • #5BB9BE
  • Cyan
  • Dark
  • Nearest: Cadetblue

#5BB9BE is a cyan with RGB values 91, 185, 190 and HSL 183°, 43%, 55%. It is a dark colour, so black text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.

Colour values

#5BB9BE#5BB9BE
HEX#5BB9BE
RGBrgb(91, 185, 190)
RGB (0–1)0.3569, 0.7255, 0.7451
RGB percentages35.7%, 72.5%, 74.5%
HSLhsl(183, 43.2%, 55.1%)
HSV / HSBhsv(183, 52.1%, 74.5%)
CMYK52.1%, 2.6%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,011,326
CSS custom property--colour: #5BB9BE;

Brightness & contrast

Relative luminance0.4064WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.13:1
Contrast with white2.3:1WCAG normal text: Fail
Contrast with black9.13:1WCAG normal text: AAA
Greyscale equivalent#A5A5A5
Inverted#A44641

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AEB2BEno red cones; affects about 1% of men; ΔE 27.8 from the original
Deuteranopia#9DA6BFno green cones; the most common form, about 1% of men; ΔE 28.6 from the original
Tritanopia#07BFBAno blue cones; rare, and affects men and women equally; ΔE 13.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.3:1WCAG large text: Fail
Contrast with black, large text9.13:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 11.6Light seagreen · ΔE 12.8Medium turquoise · ΔE 13.3Dark turquoise · ΔE 14.9Sky blue · ΔE 18Dark cyan · ΔE 18.3
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 11.6, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BE605B
Analogous#5BBE92, #5B88BE
Triadic#BE5BB9, #B9BE5B
Split complementary#BE5B88, #BE915B
Tetradic#925BBE, #BE605B, #88BE5B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDF7F8
Lighter +30%#C9E8E9
Lighter +20%#A4D8DB
Lighter +10%#80C9CC
Darker −10%#41A0A5
Darker −20%#337C80
Darker −30%#24595C
Darker −40%#163537
More saturated +25%#3ED3DB
Less saturated −25%#789FA1

Channel breakdown

R91
G185
B190
Red91 (35.7%)
Green185 (72.5%)
Blue190 (74.5%)
Hue183.03°
Saturation (HSL)43.23%
Lightness55.1%
Dominant channelBlue
Hex per channelR 5B · G B9 · B BE

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Every value on this page was computed from “5bb9be” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.