Recognised as Colour
#ACAB00
- #ACAB00
- Yellow
- Dark
- Nearest: Olive
#ACAB00 is a yellow with RGB values 172, 171, 0 and HSL 60°, 100%, 34%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Olive.
Colour values
#ACAB00#ACAB00
HEX#ACAB00
RGBrgb(172, 171, 0)
RGB (0–1)0.6745, 0.6706, 0
RGB percentages67.5%, 67.1%, 0%
HSLhsl(59.7, 100%, 33.7%)
HSV / HSBhsv(59.7, 100%, 67.5%)
CMYK0%, 0.6%, 100%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,315,968
CSS custom property--colour: #ACAB00;
Brightness & contrast
Relative luminance0.37896WCAG 2.x, 0 is black and 1 is white
Perceived brightness161.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.58:1
Contrast with white2.45:1WCAG normal text: Fail
Contrast with black8.58:1WCAG normal text: AAA
Greyscale equivalent#9F9F9F
Inverted#5354FF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.45:1WCAG large text: Fail
Contrast with black, large text8.58:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0001AC
Analogous#AC5500, #57AC00
Triadic#00ACAB, #AB00AC
Split complementary#0057AC, #5500AC
Tetradic#00AC55, #0001AC, #AC0057
Tints, shades & saturation
Channel breakdown
R172
G171
B0
Red172 (67.5%)
Green171 (67.1%)
Blue0 (0%)
Hue59.65°
Saturation (HSL)100%
Lightness33.73%
Dominant channelRed
Hex per channelR AC · G AB · B 00
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