Colour

#666F6C

#666F6C
Grey
Dark
Nearest: Dim grey

#666F6C is a grey with RGB values 102, 111, 108 and HSL 160°, 4%, 42%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#666F6C#666F6C

HEX#666F6C

RGBrgb(102, 111, 108)

RGB (0–1)0.4, 0.4353, 0.4235

RGB percentages40%, 43.5%, 42.4%

HSLhsl(160, 4.2%, 41.8%)

HSV / HSBhsv(160, 8.1%, 43.5%)

CMYK8.1%, 0%, 2.7%, 56.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,713,196

CSS custom property--colour: #666F6C;

Brightness & contrast

Relative luminance0.15276WCAG 2.x, 0 is black and 1 is white

Perceived brightness108 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.18:1

Contrast with white5.18:1WCAG normal text: AA

Contrast with black4.06:1WCAG normal text: Fail

Greyscale equivalent#6D6D6D

Inverted#999093

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6E6E6Cno red cones; affects about 1% of men; ΔE 3.7 from the original

Deuteranopia#6C6C6Cno green cones; the most common form, about 1% of men; ΔE 4.1 from the original

Tritanopia#646F6Eno blue cones; rare, and affects men and women equally; ΔE 1.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text5.18:1WCAG large text: AAA

Contrast with black, large text4.06:1WCAG large text: AA

Named colours

Dim grey · ΔE 4.4 Gray · ΔE 8.6 Slate grey · ΔE 13.1 Light slate grey · ΔE 15.4 Dark slate grey · ΔE 17.2 Cadetblue · ΔE 23.2

Nearest named CSS colourDim grey (#696969)ΔE 4.38, a close match

Hue familygrey

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6F6669

Analogous#666F68, #666E6F

Triadic#6C666F, #6F6C66

Split complementary#6F666E, #6F6866

Tetradic#68666F, #6F6669, #6E6F66

Tints, shades & saturation

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

Lighter +40%#CFD2D1

Lighter +30%#B4BAB8

Lighter +20%#99A29F

Lighter +10%#7F8986

Darker −10%#4E5452

Darker −20%#353A38

Darker −30%#1D1F1E

Darker −40%#040505

More saturated +25%#4B8A75

Less saturated −25%#6B6B6B

Channel breakdown

R102

G111

B108

Red102 (40%)

Green111 (43.5%)

Blue108 (42.4%)

Hue160°

Saturation (HSL)4.23%

Lightness41.76%

Dominant channelGreen

Hex per channelR 66 · G 6F · B 6C

Keep nerding

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

#666F6C

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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