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Colour

#99BBFF

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

#99BBFF is a blue with RGB values 153, 187, 255 and HSL 220°, 100%, 80%. It is a dark colour, so black text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#99BBFF#99BBFF
HEX#99BBFF
HEX (short)#9BF
RGBrgb(153, 187, 255)
RGB (0–1)0.6, 0.7333, 1
RGB percentages60%, 73.3%, 100%
HSLhsl(220, 100%, 80%)
HSV / HSBhsv(220, 40%, 100%)
CMYK40%, 26.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,075,135
CSS custom property--colour: #99BBFF;

Brightness & contrast

Relative luminance0.49533WCAG 2.x, 0 is black and 1 is white
Perceived brightness186.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.91:1
Contrast with white1.93:1WCAG normal text: Fail
Contrast with black10.91:1WCAG normal text: AAA
Greyscale equivalent#B9B9B9
Inverted#664400

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A3C0FFno red cones; affects about 1% of men; ΔE 3.6 from the original
Deuteranopia#99B7FDno green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#77C9D3no blue cones; rare, and affects men and women equally; ΔE 36.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.93:1WCAG large text: Fail
Contrast with black, large text10.91:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 18.6Cornflower blue · ΔE 18.9Light steelblue · ΔE 23.1Deep skyblue · ΔE 23.7Steel blue · ΔE 25.6Sky blue · ΔE 25.8
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 18.63, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFDD99
Analogous#99EEFF, #AA99FF
Triadic#FF99BB, #BBFF99
Split complementary#FFAA99, #EEFF99
Tetradic#FF99EE, #FFDD99, #99FFAA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#CCDDFF
Darker −10%#6699FF
Darker −20%#3377FF
Darker −30%#0055FF
Darker −40%#0044CC
More saturated +25%#99BBFF
Less saturated −25%#A6BFF2

Channel breakdown

R153
G187
B255
Red153 (60%)
Green187 (73.3%)
Blue255 (100%)
Hue220°
Saturation (HSL)100%
Lightness80%
Dominant channelBlue
Hex per channelR 99 · G BB · B FF

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