Colour
#AAAAAA
- #AAAAAA
- Grey
- Dark
- Nearest: Dark grey
#AAAAAA is a grey with RGB values 170, 170, 170 and HSL 0°, 0%, 67%. 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
#AAAAAA#AAAAAA
HEX#AAAAAA
HEX (short)#AAA
RGBrgb(170, 170, 170)
RGB (0–1)0.6667, 0.6667, 0.6667
RGB percentages66.7%, 66.7%, 66.7%
HSLhsl(0, 0%, 66.7%)
HSV / HSBhsv(0, 0%, 66.7%)
CMYK0%, 0%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,184,810
CSS custom property--colour: #AAAAAA;
Brightness & contrast
Relative luminance0.40198WCAG 2.x, 0 is black and 1 is white
Perceived brightness170 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.04:1
Contrast with white2.32:1WCAG normal text: Fail
Contrast with black9.04:1WCAG normal text: AAA
Greyscale equivalent#AAAAAA
Inverted#555555
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.32:1WCAG large text: Fail
Contrast with black, large text9.04:1WCAG large text: AAA
Named colours
Hue familygrey
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#AAAAAA
Analogous#AAAAAA, #AAAAAA
Triadic#AAAAAA, #AAAAAA
Split complementary#AAAAAA, #AAAAAA
Tetradic#AAAAAA, #AAAAAA, #AAAAAA
Tints, shades & saturation
Channel breakdown
R170
G170
B170
Red170 (66.7%)
Green170 (66.7%)
Blue170 (66.7%)
Hue0°
Saturation (HSL)0%
Lightness66.67%
Dominant channelNone: the channels are equal (a neutral grey)
Hex per channelR AA · G AA · B AA
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