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Recognised as Colour

#5BB3BF

  • #5BB3BF
  • Cyan
  • Dark
  • Nearest: Cadetblue

#5BB3BF is a cyan with RGB values 91, 179, 191 and HSL 187°, 44%, 55%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.

Colour values

#5BB3BF#5BB3BF
HEX#5BB3BF
RGBrgb(91, 179, 191)
RGB (0–1)0.3569, 0.702, 0.749
RGB percentages35.7%, 70.2%, 74.9%
HSLhsl(187.2, 43.9%, 55.3%)
HSV / HSBhsv(187.2, 52.4%, 74.9%)
CMYK52.4%, 6.3%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,009,791
CSS custom property--colour: #5BB3BF;

Brightness & contrast

Relative luminance0.38226WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.65:1
Contrast with white2.43:1WCAG normal text: Fail
Contrast with black8.65:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#A44C40

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A6ADC0no red cones; affects about 1% of men; ΔE 24.9 from the original
Deuteranopia#97A1BFno green cones; the most common form, about 1% of men; ΔE 26.2 from the original
Tritanopia#0CBAB6no blue cones; rare, and affects men and women equally; ΔE 16.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.43:1WCAG large text: Fail
Contrast with black, large text8.65:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 10.3Sky blue · ΔE 15.5Light seagreen · ΔE 16.6Medium turquoise · ΔE 17.7Dark turquoise · ΔE 18.4Dark cyan · ΔE 18.4
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 10.35, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF675B
Analogous#5BBF99, #5B81BF
Triadic#BF5BB3, #B3BF5B
Split complementary#BF5B81, #BF995B
Tetradic#995BBF, #BF675B, #81BF5B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEF7F8
Lighter +30%#C9E6EA
Lighter +20%#A4D5DC
Lighter +10%#80C4CD
Darker −10%#419AA6
Darker −20%#337881
Darker −30%#24565D
Darker −40%#163438
More saturated +25%#3FC9DC
Less saturated −25%#789DA3

Channel breakdown

R91
G179
B191
Red91 (35.7%)
Green179 (70.2%)
Blue191 (74.9%)
Hue187.2°
Saturation (HSL)43.86%
Lightness55.29%
Dominant channelBlue
Hex per channelR 5B · G B3 · B BF

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Every value on this page was computed from “5bb3bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.