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Recognised as Colour

#91CFF5

  • #91CFF5
  • Blue
  • Light
  • Nearest: Light skyblue

#91CFF5 is a blue with RGB values 145, 207, 245 and HSL 203°, 83%, 76%. It is a light colour, so black text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#91CFF5#91CFF5
HEX#91CFF5
RGBrgb(145, 207, 245)
RGB (0–1)0.5686, 0.8118, 0.9608
RGB percentages56.9%, 81.2%, 96.1%
HSLhsl(202.8, 83.3%, 76.5%)
HSV / HSBhsv(202.8, 40.8%, 96.1%)
CMYK40.8%, 15.5%, 0%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,555,957
CSS custom property--colour: #91CFF5;

Brightness & contrast

Relative luminance0.57238WCAG 2.x, 0 is black and 1 is white
Perceived brightness195.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.45:1
Contrast with white1.69:1WCAG normal text: Fail
Contrast with black12.45:1WCAG normal text: AAA
Greyscale equivalent#C5C5C5
Inverted#6E300A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BECDF7no red cones; affects about 1% of men; ΔE 14.4 from the original
Deuteranopia#B0C2F4no green cones; the most common form, about 1% of men; ΔE 15.3 from the original
Tritanopia#6AD9DBno blue cones; rare, and affects men and women equally; ΔE 25.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.69:1WCAG large text: Fail
Contrast with black, large text12.45:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 3.7Sky blue · ΔE 5.9Light steelblue · ΔE 13.3Light blue · ΔE 13.9Powder blue · ΔE 18.3Deep skyblue · ΔE 20.7
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 3.7, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F5B791
Analogous#91F5E9, #919DF5
Triadic#F591CF, #CFF591
Split complementary#F5919D, #F5E991
Tetradic#E991F5, #F5B791, #9DF591

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#EFF8FE
Lighter +10%#C0E3F9
Darker −10%#62BBF1
Darker −20%#34A6ED
Darker −30%#148ED9
Darker −40%#1070AB
More saturated +25%#87D1FF
Less saturated −25%#A0CBE6

Channel breakdown

R145
G207
B245
Red145 (56.9%)
Green207 (81.2%)
Blue245 (96.1%)
Hue202.8°
Saturation (HSL)83.33%
Lightness76.47%
Dominant channelBlue
Hex per channelR 91 · G CF · B F5

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Every value on this page was computed from “91cff5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.