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Recognised as Colour

#91C8F9

  • #91C8F9
  • Blue
  • Light
  • Nearest: Light skyblue

#91C8F9 is a blue with RGB values 145, 200, 249 and HSL 208°, 90%, 77%. 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

#91C8F9#91C8F9
HEX#91C8F9
RGBrgb(145, 200, 249)
RGB (0–1)0.5686, 0.7843, 0.9765
RGB percentages56.9%, 78.4%, 97.6%
HSLhsl(208.3, 89.7%, 77.3%)
HSV / HSBhsv(208.3, 41.8%, 97.6%)
CMYK41.8%, 19.7%, 0%, 2.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,554,169
CSS custom property--colour: #91C8F9;

Brightness & contrast

Relative luminance0.54168WCAG 2.x, 0 is black and 1 is white
Perceived brightness191.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.83:1
Contrast with white1.77:1WCAG normal text: Fail
Contrast with black11.83:1WCAG normal text: AAA
Greyscale equivalent#C0C0C0
Inverted#6E3706

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B4C8FBno red cones; affects about 1% of men; ΔE 10.5 from the original
Deuteranopia#A7BEF8no green cones; the most common form, about 1% of men; ΔE 11.2 from the original
Tritanopia#69D4D8no blue cones; rare, and affects men and women equally; ΔE 30.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.77:1WCAG large text: Fail
Contrast with black, large text11.83:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 5.6Sky blue · ΔE 12.6Light steelblue · ΔE 15.1Deep skyblue · ΔE 18.7Light blue · ΔE 19.7Powder blue · ΔE 24.5
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 5.59, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F9C291
Analogous#91F9F6, #9194F9
Triadic#F991C8, #C8F991
Split complementary#F99194, #F9F691
Tetradic#F691F9, #F9C291, #94F991

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F2F8FE
Lighter +10%#C1E0FC
Darker −10%#61B0F6
Darker −20%#3098F4
Darker −30%#0C7FE5
Darker −40%#0A64B4
More saturated +25%#8BC8FF
Less saturated −25%#A0C7EB

Channel breakdown

R145
G200
B249
Red145 (56.9%)
Green200 (78.4%)
Blue249 (97.6%)
Hue208.27°
Saturation (HSL)89.66%
Lightness77.25%
Dominant channelBlue
Hex per channelR 91 · G C8 · B F9

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Every value on this page was computed from “91c8f9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.