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Colour

#665D66

  • #665D66
  • Grey
  • Dark
  • Nearest: Dim grey

#665D66 is a grey with RGB values 102, 93, 102 and HSL 300°, 5%, 38%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#665D66#665D66
HEX#665D66
RGBrgb(102, 93, 102)
RGB (0–1)0.4, 0.3647, 0.4
RGB percentages40%, 36.5%, 40%
HSLhsl(300, 4.6%, 38.2%)
HSV / HSBhsv(300, 8.8%, 40%)
CMYK0%, 8.8%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,708,582
CSS custom property--colour: #665D66;

Brightness & contrast

Relative luminance0.11613WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.32:1
Contrast with white6.32:1WCAG normal text: AA
Contrast with black3.32:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#99A299

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C5F66no red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#5E6066no green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#675E60no blue cones; rare, and affects men and women equally; ΔE 4.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.32:1WCAG large text: AAA
Contrast with black, large text3.32:1WCAG large text: AA

Named colours

Dim grey · ΔE 7.7Gray · ΔE 14.6Slate grey · ΔE 15.9Light slate grey · ΔE 18.6Dark slate grey · ΔE 19.5Rosy brown · ΔE 27.8
Nearest named CSS colourDim grey (#696969)ΔE 7.66, clearly different but related
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D665D
Analogous#625D66, #665D62
Triadic#66665D, #5D6666
Split complementary#62665D, #5D6662
Tetradic#66625D, #5D665D, #5D6266

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CAC5CA
Lighter +30%#B2AAB2
Lighter +20%#999099
Lighter +10%#817581
Darker −10%#4B454B
Darker −20%#312C31
Darker −30%#161416
Darker −40%#000000
More saturated +25%#7E457E
Less saturated −25%#626262

Channel breakdown

R102
G93
B102
Red102 (40%)
Green93 (36.5%)
Blue102 (40%)
Hue300°
Saturation (HSL)4.62%
Lightness38.24%
Dominant channelRed and Blue
Hex per channelR 66 · G 5D · B 66

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Every value on this page was computed from “665d66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.