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Colour

#666B69

  • #666B69
  • Grey
  • Dark
  • Nearest: Dim grey

#666B69 is a grey with RGB values 102, 107, 105 and HSL 156°, 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

#666B69#666B69
HEX#666B69
RGBrgb(102, 107, 105)
RGB (0–1)0.4, 0.4196, 0.4118
RGB percentages40%, 42%, 41.2%
HSLhsl(156, 2.4%, 41%)
HSV / HSBhsv(156, 4.7%, 42%)
CMYK4.7%, 0%, 1.9%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,712,169
CSS custom property--colour: #666B69;

Brightness & contrast

Relative luminance0.1436WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.42:1
Contrast with white5.42:1WCAG normal text: AA
Contrast with black3.87:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#999496

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6B6A69no red cones; affects about 1% of men; ΔE 2.5 from the original
Deuteranopia#6A6A69no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#656B6Ano blue cones; rare, and affects men and women equally; ΔE 0.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.42:1WCAG large text: AAA
Contrast with black, large text3.87:1WCAG large text: AA

Named colours

Dim grey · ΔE 2.4Gray · ΔE 9.2Slate grey · ΔE 13.7Light slate grey · ΔE 16.1Dark slate grey · ΔE 17Dark grey · ΔE 24.6
Nearest named CSS colourDim grey (#696969)ΔE 2.4, a close match
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6B6668
Analogous#666B67, #666B6B
Triadic#69666B, #6B6966
Split complementary#6B666B, #6B6666
Tetradic#66666B, #6B6668, #6B6B66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDD0CF
Lighter +30%#B3B7B5
Lighter +20%#999E9C
Lighter +10%#7F8583
Darker −10%#4D514F
Darker −20%#343736
Darker −30%#1B1D1C
Darker −40%#020303
More saturated +25%#4C856E
Less saturated −25%#696969

Channel breakdown

R102
G107
B105
Red102 (40%)
Green107 (42%)
Blue105 (41.2%)
Hue156°
Saturation (HSL)2.39%
Lightness40.98%
Dominant channelGreen
Hex per channelR 66 · G 6B · B 69

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Every value on this page was computed from “666b69” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.