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Recognised as Colour

#55575A

  • #55575A
  • Grey
  • Dark
  • Nearest: Dim grey

#55575A is a grey with RGB values 85, 87, 90 and HSL 216°, 3%, 34%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#55575A#55575A
HEX#55575A
RGBrgb(85, 87, 90)
RGB (0–1)0.3333, 0.3412, 0.3529
RGB percentages33.3%, 34.1%, 35.3%
HSLhsl(216, 2.9%, 34.3%)
HSV / HSBhsv(216, 5.6%, 35.3%)
CMYK5.6%, 3.3%, 0%, 64.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,592,922
CSS custom property--colour: #55575A;

Brightness & contrast

Relative luminance0.09486WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.25:1
Contrast with white7.25:1WCAG normal text: AAA
Contrast with black2.9:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#AAA8A5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#56575Ano red cones; affects about 1% of men; ΔE 0.4 from the original
Deuteranopia#56575Ano green cones; the most common form, about 1% of men; ΔE 0.4 from the original
Tritanopia#545858no blue cones; rare, and affects men and women equally; ΔE 2.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.25:1WCAG large text: AAA
Contrast with black, large text2.9:1WCAG large text: Fail

Named colours

Dim grey · ΔE 7.8Dark slate grey · ΔE 13Gray · ΔE 16.8Slate grey · ΔE 18.2Light slate grey · ΔE 21.2Teal · ΔE 31.5
Nearest named CSS colourDim grey (#696969)ΔE 7.78, clearly different but related
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5A5855
Analogous#555A5A, #56555A
Triadic#5A5557, #575A55
Split complementary#5A5655, #5A5A55
Tetradic#5A555A, #5A5855, #555A56

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCBDBF
Lighter +30%#A1A3A7
Lighter +20%#878A8E
Lighter +10%#6E7074
Darker −10%#3C3E40
Darker −20%#232426
Darker −30%#0B0B0B
Darker −40%#000000
More saturated +25%#3F5370
Less saturated −25%#585858

Channel breakdown

R85
G87
B90
Red85 (33.3%)
Green87 (34.1%)
Blue90 (35.3%)
Hue216°
Saturation (HSL)2.86%
Lightness34.31%
Dominant channelBlue
Hex per channelR 55 · G 57 · B 5A

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Every value on this page was computed from “55575a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.