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Recognised as Colour

#99D8DD

  • #99D8DD
  • Cyan
  • Light
  • Nearest: Powder blue

#99D8DD is a cyan with RGB values 153, 216, 221 and HSL 184°, 50%, 73%. It is a light colour, so black text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Powder blue.

Colour values

#99D8DD#99D8DD
HEX#99D8DD
RGBrgb(153, 216, 221)
RGB (0–1)0.6, 0.8471, 0.8667
RGB percentages60%, 84.7%, 86.7%
HSLhsl(184.4, 50%, 73.3%)
HSV / HSBhsv(184.4, 30.8%, 86.7%)
CMYK30.8%, 2.3%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,082,525
CSS custom property--colour: #99D8DD;

Brightness & contrast

Relative luminance0.61104WCAG 2.x, 0 is black and 1 is white
Perceived brightness199.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.22:1
Contrast with white1.59:1WCAG normal text: Fail
Contrast with black13.22:1WCAG normal text: AAA
Greyscale equivalent#CBCBCB
Inverted#662722

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CFD3DDno red cones; affects about 1% of men; ΔE 19.6 from the original
Deuteranopia#C3C9DDno green cones; the most common form, about 1% of men; ΔE 20.7 from the original
Tritanopia#81DDD9no blue cones; rare, and affects men and women equally; ΔE 9.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.59:1WCAG large text: Fail
Contrast with black, large text13.22:1WCAG large text: AAA

Named colours

Powder blue · ΔE 6Pale turquoise · ΔE 8.1Light blue · ΔE 8.3Sky blue · ΔE 13.4Light cyan · ΔE 18.6Light steelblue · ΔE 18.9
Nearest named CSS colourPowder blue (#B0E0E6)ΔE 5.95, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD9E99
Analogous#99DDC0, #99B6DD
Triadic#DD99D8, #D8DD99
Split complementary#DD99B6, #DDC099
Tetradic#C099DD, #DD9E99, #B6DD99

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E6F5F7
Lighter +10%#BFE7EA
Darker −10%#73C9D0
Darker −20%#4DBBC4
Darker −30%#379EA6
Darker −40%#2A7980
More saturated +25%#88E6EE
Less saturated −25%#AACACC

Channel breakdown

R153
G216
B221
Red153 (60%)
Green216 (84.7%)
Blue221 (86.7%)
Hue184.41°
Saturation (HSL)50%
Lightness73.33%
Dominant channelBlue
Hex per channelR 99 · G D8 · B DD

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Every value on this page was computed from “99d8dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.