Recognised as Colour
#A4ACA4
- #A4ACA4
- Grey
- Dark
- Nearest: Dark grey
#A4ACA4 is a grey with RGB values 164, 172, 164 and HSL 120°, 5%, 66%. It is a dark colour, so black text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark grey.
Colour values
#A4ACA4#A4ACA4
HEX#A4ACA4
RGBrgb(164, 172, 164)
RGB (0–1)0.6431, 0.6745, 0.6431
RGB percentages64.3%, 67.5%, 64.3%
HSLhsl(120, 4.6%, 65.9%)
HSV / HSBhsv(120, 4.7%, 67.5%)
CMYK4.7%, 0%, 4.7%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,792,100
CSS custom property--colour: #A4ACA4;
Brightness & contrast
Relative luminance0.40078WCAG 2.x, 0 is black and 1 is white
Perceived brightness168.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.02:1
Contrast with white2.33:1WCAG normal text: Fail
Contrast with black9.02:1WCAG normal text: AAA
Greyscale equivalent#AAAAAA
Inverted#5B535B
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.33:1WCAG large text: Fail
Contrast with black, large text9.02:1WCAG large text: AAA
Named colours
Hue familygrey
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#ACA4AC
Analogous#A8ACA4, #A4ACA8
Triadic#A4A4AC, #ACA4A4
Split complementary#A8A4AC, #ACA4A8
Tetradic#A4A8AC, #ACA4AC, #ACA8A4
Tints, shades & saturation
Channel breakdown
R164
G172
B164
Red164 (64.3%)
Green172 (67.5%)
Blue164 (64.3%)
Hue120°
Saturation (HSL)4.6%
Lightness65.88%
Dominant channelGreen
Hex per channelR A4 · G AC · B A4
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