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Colour

#817A80

  • #817A80
  • Grey
  • Dark
  • Nearest: Gray

#817A80 is a grey with RGB values 129, 122, 128 and HSL 309°, 3%, 49%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Gray.

Colour values

#817A80#817A80
HEX#817A80
RGBrgb(129, 122, 128)
RGB (0–1)0.5059, 0.4784, 0.502
RGB percentages50.6%, 47.8%, 50.2%
HSLhsl(308.6, 2.8%, 49.2%)
HSV / HSBhsv(308.6, 5.4%, 50.6%)
CMYK0%, 5.4%, 0.8%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,485,504
CSS custom property--colour: #817A80;

Brightness & contrast

Relative luminance0.20145WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.03:1
Contrast with white4.18:1WCAG normal text: Fail
Contrast with black5.03:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#7E857F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7A7B80no red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#7B7C80no green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#827A7Cno blue cones; rare, and affects men and women equally; ΔE 2.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.18:1WCAG large text: AA
Contrast with black, large text5.03:1WCAG large text: AAA

Named colours

Gray · ΔE 4.7Dim grey · ΔE 8.8Slate grey · ΔE 10.2Light slate grey · ΔE 11.4Dark grey · ΔE 17.8Rosy brown · ΔE 19.7
Nearest named CSS colourGray (#808080)ΔE 4.75, a close match
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A817B
Analogous#7F7A81, #817A7D
Triadic#80817A, #7A8081
Split complementary#7D817A, #7A817F
Tetradic#817F7A, #7A817B, #7A7D81

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4E3E4
Lighter +30%#CBC9CB
Lighter +20%#B3AEB2
Lighter +10%#9A9499
Darker −10%#676166
Darker −20%#4D484C
Darker −30%#323032
Darker −40%#181718
More saturated +25%#A05B96
Less saturated −25%#7E7E7E

Channel breakdown

R129
G122
B128
Red129 (50.6%)
Green122 (47.8%)
Blue128 (50.2%)
Hue308.57°
Saturation (HSL)2.79%
Lightness49.22%
Dominant channelRed
Hex per channelR 81 · G 7A · B 80

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Every value on this page was computed from “817a80” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.