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Recognised as Colour

#91C1B5

  • #91C1B5
  • Cyan
  • Dark
  • Nearest: Powder blue

#91C1B5 is a cyan with RGB values 145, 193, 181 and HSL 165°, 28%, 66%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Powder blue.

Colour values

#91C1B5#91C1B5
HEX#91C1B5
RGBrgb(145, 193, 181)
RGB (0–1)0.5686, 0.7569, 0.7098
RGB percentages56.9%, 75.7%, 71%
HSLhsl(165, 27.9%, 66.3%)
HSV / HSBhsv(165, 24.9%, 75.7%)
CMYK24.9%, 0%, 6.2%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,552,309
CSS custom property--colour: #91C1B5;

Brightness & contrast

Relative luminance0.47496WCAG 2.x, 0 is black and 1 is white
Perceived brightness178.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.5:1
Contrast with white2:1WCAG normal text: Fail
Contrast with black10.5:1WCAG normal text: AAA
Greyscale equivalent#B6B6B6
Inverted#6E3E4A

Colour vision & accessibility

Protanopia#BDBBB5no red cones; affects about 1% of men; ΔE 18.1 from the original
Deuteranopia#B4B5B6no green cones; the most common form, about 1% of men; ΔE 18.2 from the original
Tritanopia#84C2BDno blue cones; rare, and affects men and women equally; ΔE 5.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2:1WCAG large text: Fail
Contrast with black, large text10.5:1WCAG large text: AAA

Named colours

Nearest named CSS colourPowder blue (#B0E0E6)ΔE 15.24, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#C1919D
Analogous#91C19D, #91B5C1
Triadic#B591C1, #C1B591
Split complementary#C191B5, #C19D91
Tetradic#9D91C1, #C1919D, #B5C191

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#F3F8F7
Lighter +20%#D2E6E1
Lighter +10%#B2D3CB
Darker −10%#70AF9F
Darker −20%#559786
Darker −30%#437669
Darker −40%#30564C
More saturated +25%#7BD6C0
Less saturated −25%#A6ABAA

Channel breakdown

R145
G193
B181
Red145 (56.9%)
Green193 (75.7%)
Blue181 (71%)
Hue165°
Saturation (HSL)27.91%
Lightness66.27%
Dominant channelGreen
Hex per channelR 91 · G C1 · B B5

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Every value on this page was computed from “91c1b5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.