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Colour

#99FFFF

  • #99FFFF
  • Cyan
  • Light
  • Nearest: Pale turquoise

#99FFFF is a cyan with RGB values 153, 255, 255 and HSL 180°, 100%, 80%. It is a light colour, so black text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Pale turquoise.

Colour values

#99FFFF#99FFFF
HEX#99FFFF
HEX (short)#9FF
RGBrgb(153, 255, 255)
RGB (0–1)0.6, 1, 1
RGB percentages60%, 100%, 100%
HSLhsl(180, 100%, 80%)
HSV / HSBhsv(180, 40%, 100%)
CMYK40%, 0%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,092,543
CSS custom property--colour: #99FFFF;

Brightness & contrast

Relative luminance0.85512WCAG 2.x, 0 is black and 1 is white
Perceived brightness229.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.1:1
Contrast with white1.16:1WCAG normal text: Fail
Contrast with black18.1:1WCAG normal text: AAA
Greyscale equivalent#E9E9E9
Inverted#660000

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F3F6FFno red cones; affects about 1% of men; ΔE 30.8 from the original
Deuteranopia#E1E8FFno green cones; the most common form, about 1% of men; ΔE 31.9 from the original
Tritanopia#6AFFFFno blue cones; rare, and affects men and women equally; ΔE 10.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.16:1WCAG large text: Fail
Contrast with black, large text18.1:1WCAG large text: AAA

Named colours

Pale turquoise · ΔE 11.3Powder blue · ΔE 17.6Medium turquoise · ΔE 18.9Aqua · ΔE 19.2Cyan · ΔE 19.2Turquoise · ΔE 20
Nearest named CSS colourPale turquoise (#AFEEEE)ΔE 11.26, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF9999
Analogous#99FFCC, #99CCFF
Triadic#FF99FF, #FFFF99
Split complementary#FF99CC, #FFCC99
Tetradic#CC99FF, #FF9999, #CCFF99

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#CCFFFF
Darker −10%#66FFFF
Darker −20%#33FFFF
Darker −30%#00FFFF
Darker −40%#00CCCC
More saturated +25%#99FFFF
Less saturated −25%#A6F2F2

Channel breakdown

R153
G255
B255
Red153 (60%)
Green255 (100%)
Blue255 (100%)
Hue180°
Saturation (HSL)100%
Lightness80%
Dominant channelGreen and Blue
Hex per channelR 99 · G FF · B FF

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