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Colour

#4F5A57

  • #4F5A57
  • Grey
  • Dark
  • Nearest: Dim grey

#4F5A57 is a grey with RGB values 79, 90, 87 and HSL 164°, 7%, 33%. 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

#4F5A57#4F5A57
HEX#4F5A57
RGBrgb(79, 90, 87)
RGB (0–1)0.3098, 0.3529, 0.3412
RGB percentages31%, 35.3%, 34.1%
HSLhsl(163.6, 6.5%, 33.1%)
HSV / HSBhsv(163.6, 12.2%, 35.3%)
CMYK12.2%, 0%, 3.3%, 64.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,200,471
CSS custom property--colour: #4F5A57;

Brightness & contrast

Relative luminance0.09663WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.16:1
Contrast with white7.16:1WCAG normal text: AAA
Contrast with black2.93:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#B0A5A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#595957no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#575757no green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#4D5A59no 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 text7.16:1WCAG large text: AAA
Contrast with black, large text2.93:1WCAG large text: Fail

Named colours

Dim grey · ΔE 8.7Dark slate grey · ΔE 9.9Gray · ΔE 17.1Slate grey · ΔE 19.2Light slate grey · ΔE 22Teal · ΔE 27.7
Nearest named CSS colourDim grey (#696969)ΔE 8.74, clearly different but related
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5A4F52
Analogous#4F5A52, #4F585A
Triadic#574F5A, #5A574F
Split complementary#5A4F58, #5A524F
Tetradic#524F5A, #5A4F52, #585A4F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B6BFBD
Lighter +30%#9BA7A4
Lighter +20%#808F8B
Lighter +10%#677571
Darker −10%#373F3D
Darker −20%#1F2422
Darker −30%#070908
Darker −40%#000000
More saturated +25%#3A6F61
Less saturated −25%#555555

Channel breakdown

R79
G90
B87
Red79 (31%)
Green90 (35.3%)
Blue87 (34.1%)
Hue163.64°
Saturation (HSL)6.51%
Lightness33.14%
Dominant channelGreen
Hex per channelR 4F · G 5A · B 57

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Every value on this page was computed from “4f5a57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.