Recognised as Colour
#ACA454
- #ACA454
- Yellow
- Dark
- Nearest: Dark khaki
#ACA454 is a yellow with RGB values 172, 164, 84 and HSL 55°, 35%, 50%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.
Colour values
#ACA454#ACA454
HEX#ACA454
RGBrgb(172, 164, 84)
RGB (0–1)0.6745, 0.6431, 0.3294
RGB percentages67.5%, 64.3%, 32.9%
HSLhsl(54.5, 34.6%, 50.2%)
HSV / HSBhsv(54.5, 51.2%, 67.5%)
CMYK0%, 4.7%, 51.2%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,314,260
CSS custom property--colour: #ACA454;
Brightness & contrast
Relative luminance0.35962WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.19:1
Contrast with white2.56:1WCAG normal text: Fail
Contrast with black8.19:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#535BAB
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.56:1WCAG large text: Fail
Contrast with black, large text8.19:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#545CAC
Analogous#AC7854, #88AC54
Triadic#54ACA4, #A454AC
Split complementary#5488AC, #7854AC
Tetradic#54AC78, #545CAC, #AC5488
Tints, shades & saturation
Channel breakdown
R172
G164
B84
Red172 (67.5%)
Green164 (64.3%)
Blue84 (32.9%)
Hue54.55°
Saturation (HSL)34.65%
Lightness50.2%
Dominant channelRed
Hex per channelR AC · G A4 · B 54
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