Colour
#ACAA55
- #ACAA55
- Yellow
- Dark
- Nearest: Dark khaki
#ACAA55 is a yellow with RGB values 172, 170, 85 and HSL 59°, 34%, 50%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.
Colour values
#ACAA55#ACAA55
HEX#ACAA55
RGBrgb(172, 170, 85)
RGB (0–1)0.6745, 0.6667, 0.3333
RGB percentages67.5%, 66.7%, 33.3%
HSLhsl(58.6, 34.4%, 50.4%)
HSV / HSBhsv(58.6, 50.6%, 67.5%)
CMYK0%, 1.2%, 50.6%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,315,797
CSS custom property--colour: #ACAA55;
Brightness & contrast
Relative luminance0.38176WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.64:1
Contrast with white2.43:1WCAG normal text: Fail
Contrast with black8.64:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#5355AA
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.43:1WCAG large text: Fail
Contrast with black, large text8.64:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5557AC
Analogous#AC7E55, #83AC55
Triadic#55ACAA, #AA55AC
Split complementary#5583AC, #7E55AC
Tetradic#55AC7E, #5557AC, #AC5583
Tints, shades & saturation
Channel breakdown
R172
G170
B85
Red172 (67.5%)
Green170 (66.7%)
Blue85 (33.3%)
Hue58.62°
Saturation (HSL)34.39%
Lightness50.39%
Dominant channelRed
Hex per channelR AC · G AA · B 55
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