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Colour

#99B9E9

  • #99B9E9
  • Blue
  • Dark
  • Nearest: Light skyblue

#99B9E9 is a blue with RGB values 153, 185, 233 and HSL 216°, 65%, 76%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#99B9E9#99B9E9
HEX#99B9E9
RGBrgb(153, 185, 233)
RGB (0–1)0.6, 0.7255, 0.9137
RGB percentages60%, 72.5%, 91.4%
HSLhsl(216, 64.5%, 75.7%)
HSV / HSBhsv(216, 34.3%, 91.4%)
CMYK34.3%, 20.6%, 0%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,074,601
CSS custom property--colour: #99B9E9;

Brightness & contrast

Relative luminance0.47353WCAG 2.x, 0 is black and 1 is white
Perceived brightness182.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.47:1
Contrast with white2.01:1WCAG normal text: Fail
Contrast with black10.47:1WCAG normal text: AAA
Greyscale equivalent#B6B6B6
Inverted#664616

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A8BBEBno red cones; affects about 1% of men; ΔE 4.2 from the original
Deuteranopia#9FB4E8no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#80C3C9no blue cones; rare, and affects men and women equally; ΔE 26.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.01:1WCAG large text: Fail
Contrast with black, large text10.47:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 12.6Light steelblue · ΔE 13Sky blue · ΔE 17.2Light blue · ΔE 21.7Thistle · ΔE 22.9Steel blue · ΔE 22.9
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 12.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E9C999
Analogous#99E1E9, #A199E9
Triadic#E999B9, #B9E999
Split complementary#E9A199, #E1E999
Tetradic#E999E1, #E9C999, #99E9A1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#EDF3FB
Lighter +10%#C3D6F2
Darker −10%#6F9CE0
Darker −20%#457FD7
Darker −30%#2965C0
Darker −40%#204F96
More saturated +25%#8AB6F9
Less saturated −25%#A9BCDA

Channel breakdown

R153
G185
B233
Red153 (60%)
Green185 (72.5%)
Blue233 (91.4%)
Hue216°
Saturation (HSL)64.52%
Lightness75.69%
Dominant channelBlue
Hex per channelR 99 · G B9 · B E9

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Every value on this page was computed from “99b9e9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.