Colour

#666B6B

#666B6B
Grey
Dark
Nearest: Dim grey

#666B6B is a grey with RGB values 102, 107, 107 and HSL 180°, 2%, 41%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#666B6B#666B6B

HEX#666B6B

RGBrgb(102, 107, 107)

RGB (0–1)0.4, 0.4196, 0.4196

RGB percentages40%, 42%, 42%

HSLhsl(180, 2.4%, 41%)

HSV / HSBhsv(180, 4.7%, 42%)

CMYK4.7%, 0%, 0%, 58%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,712,171

CSS custom property--colour: #666B6B;

Brightness & contrast

Relative luminance0.14402WCAG 2.x, 0 is black and 1 is white

Perceived brightness105.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.41:1

Contrast with white5.41:1WCAG normal text: AA

Contrast with black3.88:1WCAG normal text: Fail

Greyscale equivalent#6A6A6A

Inverted#999494

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6A6A6Bno red cones; affects about 1% of men; ΔE 2.1 from the original

Deuteranopia#696A6Bno green cones; the most common form, about 1% of men; ΔE 1.7 from the original

Tritanopia#656B6Bno blue cones; rare, and affects men and women equally; ΔE 0.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text5.41:1WCAG large text: AAA

Contrast with black, large text3.88:1WCAG large text: AA

Named colours

Dim grey · ΔE 2.1 Gray · ΔE 9 Slate grey · ΔE 12.8 Light slate grey · ΔE 15.3 Dark slate grey · ΔE 17 Dark grey · ΔE 24.5

Nearest named CSS colourDim grey (#696969)ΔE 2.06, below the just-noticeable difference

Hue familygrey

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#6B6666

Analogous#666B69, #66696B

Triadic#6B666B, #6B6B66

Split complementary#6B6669, #6B6966

Tetradic#69666B, #6B6666, #696B66

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#CDD0D0

Lighter +30%#B3B7B7

Lighter +20%#999E9E

Lighter +10%#7F8585

Darker −10%#4D5151

Darker −20%#343737

Darker −30%#1B1D1D

Darker −40%#020303

More saturated +25%#4C8585

Less saturated −25%#696969

Channel breakdown

R102

G107

B107

Red102 (40%)

Green107 (42%)

Blue107 (42%)

Hue180°

Saturation (HSL)2.39%

Lightness40.98%

Dominant channelGreen and Blue

Hex per channelR 66 · G 6B · B 6B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#666B6B

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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