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Recognised as Colour

#9999AC

  • #9999AC
  • Blue
  • Dark
  • Nearest: Light slate grey

#9999AC is a blue with RGB values 153, 153, 172 and HSL 240°, 10%, 64%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Light slate grey.

Colour values

#9999AC#9999AC
HEX#9999AC
RGBrgb(153, 153, 172)
RGB (0–1)0.6, 0.6, 0.6745
RGB percentages60%, 60%, 67.5%
HSLhsl(240, 10.3%, 63.7%)
HSV / HSBhsv(240, 11%, 67.5%)
CMYK11%, 11%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,066,348
CSS custom property--colour: #9999AC;

Brightness & contrast

Relative luminance0.32533WCAG 2.x, 0 is black and 1 is white
Perceived brightness155.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.51:1
Contrast with white2.8:1WCAG normal text: Fail
Contrast with black7.51:1WCAG normal text: AAA
Greyscale equivalent#9A9A9A
Inverted#666653

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#959BADno red cones; affects about 1% of men; ΔE 2.3 from the original
Deuteranopia#949AABno green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#959C9Fno blue cones; rare, and affects men and women equally; ΔE 9.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.8:1WCAG large text: Fail
Contrast with black, large text7.51:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 10Dark grey · ΔE 11.9Slate grey · ΔE 12.5Gray · ΔE 14.7Light steelblue · ΔE 16.4Silver · ΔE 17.5
Nearest named CSS colourLight slate grey (#778899)ΔE 10.03, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ACAC99
Analogous#99A3AC, #A399AC
Triadic#AC9999, #99AC99
Split complementary#ACA399, #A3AC99
Tetradic#AC99A3, #ACAC99, #99ACA3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EDEDF1
Lighter +20%#D1D1DA
Lighter +10%#B5B5C3
Darker −10%#7D7D95
Darker −20%#64647B
Darker −30%#4D4D5F
Darker −40%#363643
More saturated +25%#8282C3
Less saturated −25%#A3A3A3

Channel breakdown

R153
G153
B172
Red153 (60%)
Green153 (60%)
Blue172 (67.5%)
Hue240°
Saturation (HSL)10.27%
Lightness63.73%
Dominant channelBlue
Hex per channelR 99 · G 99 · B AC

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Every value on this page was computed from “9999ac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.