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Recognised as Colour

#515A5A

  • #515A5A
  • Grey
  • Dark
  • Nearest: Dim grey

#515A5A is a grey with RGB values 81, 90, 90 and HSL 180°, 5%, 34%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#515A5A#515A5A
HEX#515A5A
RGBrgb(81, 90, 90)
RGB (0–1)0.3176, 0.3529, 0.3529
RGB percentages31.8%, 35.3%, 35.3%
HSLhsl(180, 5.3%, 33.5%)
HSV / HSBhsv(180, 10%, 35.3%)
CMYK10%, 0%, 0%, 64.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,331,546
CSS custom property--colour: #515A5A;

Brightness & contrast

Relative luminance0.098WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.09:1
Contrast with white7.09:1WCAG normal text: AAA
Contrast with black2.96:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#AEA5A5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#59595Ano red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#57585Ano green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#4F5B5Ano 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 text7.09:1WCAG large text: AAA
Contrast with black, large text2.96:1WCAG large text: Fail

Named colours

Dim grey · ΔE 7.9Dark slate grey · ΔE 10.6Gray · ΔE 16.5Slate grey · ΔE 18Light slate grey · ΔE 21Teal · ΔE 28.5
Nearest named CSS colourDim grey (#696969)ΔE 7.87, clearly different but related
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5A5151
Analogous#515A56, #51565A
Triadic#5A515A, #5A5A51
Split complementary#5A5156, #5A5651
Tetradic#56515A, #5A5151, #565A51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B8BFBF
Lighter +30%#9DA7A7
Lighter +20%#828F8F
Lighter +10%#697575
Darker −10%#393F3F
Darker −20%#212424
Darker −30%#090909
Darker −40%#000000
More saturated +25%#3C6F6F
Less saturated −25%#565656

Channel breakdown

R81
G90
B90
Red81 (31.8%)
Green90 (35.3%)
Blue90 (35.3%)
Hue180°
Saturation (HSL)5.26%
Lightness33.53%
Dominant channelGreen and Blue
Hex per channelR 51 · G 5A · B 5A

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Every value on this page was computed from “515a5a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.