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Recognised as Colour

#555B5C

  • #555B5C
  • Grey
  • Dark
  • Nearest: Dim grey

#555B5C is a grey with RGB values 85, 91, 92 and HSL 189°, 4%, 35%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#555B5C#555B5C
HEX#555B5C
RGBrgb(85, 91, 92)
RGB (0–1)0.3333, 0.3569, 0.3608
RGB percentages33.3%, 35.7%, 36.1%
HSLhsl(188.6, 4%, 34.7%)
HSV / HSBhsv(188.6, 7.6%, 36.1%)
CMYK7.6%, 1.1%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,593,948
CSS custom property--colour: #555B5C;

Brightness & contrast

Relative luminance0.10186WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.91:1
Contrast with white6.91:1WCAG normal text: AA
Contrast with black3.04:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#AAA4A3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5A5A5Cno red cones; affects about 1% of men; ΔE 2.6 from the original
Deuteranopia#59595Cno green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#535C5Bno blue cones; rare, and affects men and women equally; ΔE 1.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.91:1WCAG large text: AAA
Contrast with black, large text3.04:1WCAG large text: AA

Named colours

Dim grey · ΔE 6.7Dark slate grey · ΔE 12.1Gray · ΔE 15.6Slate grey · ΔE 17.3Light slate grey · ΔE 20.2Teal · ΔE 29.4
Nearest named CSS colourDim grey (#696969)ΔE 6.74, clearly different but related
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C5655
Analogous#555C5A, #55585C
Triadic#5C555B, #5B5C55
Split complementary#5C5558, #5C5A55
Tetradic#5A555C, #5C5655, #585C55

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCC0C1
Lighter +30%#A1A8A9
Lighter +20%#878F90
Lighter +10%#6D7577
Darker −10%#3D4141
Darker −20%#242727
Darker −30%#0C0C0C
Darker −40%#000000
More saturated +25%#3F6B72
Less saturated −25%#595959

Channel breakdown

R85
G91
B92
Red85 (33.3%)
Green91 (35.7%)
Blue92 (36.1%)
Hue188.57°
Saturation (HSL)3.95%
Lightness34.71%
Dominant channelBlue
Hex per channelR 55 · G 5B · B 5C

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Every value on this page was computed from “555b5c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.