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Colour

#81717D

  • #81717D
  • Grey
  • Dark
  • Nearest: Gray

#81717D is a grey with RGB values 129, 113, 125 and HSL 315°, 7%, 47%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Gray.

Colour values

#81717D#81717D
HEX#81717D
RGBrgb(129, 113, 125)
RGB (0–1)0.5059, 0.4431, 0.4902
RGB percentages50.6%, 44.3%, 49%
HSLhsl(315, 6.6%, 47.5%)
HSV / HSBhsv(315, 12.4%, 50.6%)
CMYK0%, 12.4%, 3.1%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,483,197
CSS custom property--colour: #81717D;

Brightness & contrast

Relative luminance0.17958WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.59:1
Contrast with white4.57:1WCAG normal text: AA
Contrast with black4.59:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#7E8E82

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#71747Eno red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#74767Cno green cones; the most common form, about 1% of men; ΔE 8 from the original
Tritanopia#837275no blue cones; rare, and affects men and women equally; ΔE 5.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.57:1WCAG large text: AAA
Contrast with black, large text4.59:1WCAG large text: AAA

Named colours

Gray · ΔE 10.4Dim grey · ΔE 10.8Slate grey · ΔE 12.8Light slate grey · ΔE 14.3Rosy brown · ΔE 19.8Dark grey · ΔE 22
Nearest named CSS colourGray (#808080)ΔE 10.39, a distinctly different colour
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#718175
Analogous#7D7181, #817175
Triadic#7D8171, #717D81
Split complementary#758171, #71817D
Tetradic#817D71, #718175, #717581

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1DDE0
Lighter +30%#C9C2C7
Lighter +20%#B1A7AF
Lighter +10%#9A8B96
Darker −10%#665963
Darker −20%#4B4148
Darker −30%#2F2A2E
Darker −40%#141214
More saturated +25%#9F538C
Less saturated −25%#797979

Channel breakdown

R129
G113
B125
Red129 (50.6%)
Green113 (44.3%)
Blue125 (49%)
Hue315°
Saturation (HSL)6.61%
Lightness47.45%
Dominant channelRed
Hex per channelR 81 · G 71 · B 7D

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Every value on this page was computed from “81717d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.