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Colour

#91C7FF

  • #91C7FF
  • Blue
  • Light
  • Nearest: Light skyblue

#91C7FF is a blue with RGB values 145, 199, 255 and HSL 211°, 100%, 78%. It is a light colour, so black text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#91C7FF#91C7FF
HEX#91C7FF
RGBrgb(145, 199, 255)
RGB (0–1)0.5686, 0.7804, 1
RGB percentages56.9%, 78%, 100%
HSLhsl(210.5, 100%, 78.4%)
HSV / HSBhsv(210.5, 43.1%, 100%)
CMYK43.1%, 22%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,553,919
CSS custom property--colour: #91C7FF;

Brightness & contrast

Relative luminance0.54087WCAG 2.x, 0 is black and 1 is white
Perceived brightness192.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.82:1
Contrast with white1.78:1WCAG normal text: Fail
Contrast with black11.82:1WCAG normal text: AAA
Greyscale equivalent#C0C0C0
Inverted#6E3800

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B1C8FFno red cones; affects about 1% of men; ΔE 8.9 from the original
Deuteranopia#A3BDFEno green cones; the most common form, about 1% of men; ΔE 10.1 from the original
Tritanopia#66D4DAno blue cones; rare, and affects men and women equally; ΔE 33.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.78:1WCAG large text: Fail
Contrast with black, large text11.82:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 8.8Sky blue · ΔE 16.4Light steelblue · ΔE 17.9Deep skyblue · ΔE 18.2Light blue · ΔE 23.4Steel blue · ΔE 26.1
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 8.8, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFC991
Analogous#91FEFF, #9291FF
Triadic#FF91C7, #C7FF91
Split complementary#FF9291, #FEFF91
Tetradic#FF91FE, #FFC991, #91FF92

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F7FBFF
Lighter +10%#C4E1FF
Darker −10%#5EADFF
Darker −20%#2B93FF
Darker −30%#0079F7
Darker −40%#0060C4
More saturated +25%#91C7FF
Less saturated −25%#9FC7F1

Channel breakdown

R145
G199
B255
Red145 (56.9%)
Green199 (78%)
Blue255 (100%)
Hue210.55°
Saturation (HSL)100%
Lightness78.43%
Dominant channelBlue
Hex per channelR 91 · G C7 · B FF

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Every value on this page was computed from “91c7ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.