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Recognised as Colour

#91C6DF

  • #91C6DF
  • Cyan
  • Light
  • Nearest: Sky blue

#91C6DF is a cyan with RGB values 145, 198, 223 and HSL 199°, 55%, 72%. It is a light colour, so black text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#91C6DF#91C6DF
HEX#91C6DF
RGBrgb(145, 198, 223)
RGB (0–1)0.5686, 0.7765, 0.8745
RGB percentages56.9%, 77.6%, 87.5%
HSLhsl(199.2, 54.9%, 72.2%)
HSV / HSBhsv(199.2, 35%, 87.5%)
CMYK35%, 11.2%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,553,631
CSS custom property--colour: #91C6DF;

Brightness & contrast

Relative luminance0.51736WCAG 2.x, 0 is black and 1 is white
Perceived brightness187 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.35:1
Contrast with white1.85:1WCAG normal text: Fail
Contrast with black11.35:1WCAG normal text: AAA
Greyscale equivalent#BDBDBD
Inverted#6E3920

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B9C4E0no red cones; affects about 1% of men; ΔE 13.6 from the original
Deuteranopia#AEBBDFno green cones; the most common form, about 1% of men; ΔE 14.4 from the original
Tritanopia#76CDCEno blue cones; rare, and affects men and women equally; ΔE 17.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.85:1WCAG large text: Fail
Contrast with black, large text11.35:1WCAG large text: AAA

Named colours

Sky blue · ΔE 5.4Light blue · ΔE 9.3Light steelblue · ΔE 10.3Light skyblue · ΔE 10.9Powder blue · ΔE 13.7Pale turquoise · ΔE 19.3
Nearest named CSS colourSky blue (#87CEEB)ΔE 5.39, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFAA91
Analogous#91DFD1, #919FDF
Triadic#DF91C6, #C6DF91
Split complementary#DF919F, #DFD191
Tetradic#D191DF, #DFAA91, #9FDF91

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E0EFF6
Lighter +10%#B9DAEA
Darker −10%#69B2D4
Darker −20%#429DC8
Darker −30%#3081A7
Darker −40%#25627F
More saturated +25%#7FCCF1
Less saturated −25%#A3C0CD

Channel breakdown

R145
G198
B223
Red145 (56.9%)
Green198 (77.6%)
Blue223 (87.5%)
Hue199.23°
Saturation (HSL)54.93%
Lightness72.16%
Dominant channelBlue
Hex per channelR 91 · G C6 · B DF

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Every value on this page was computed from “91c6df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.