Recognised as Colour
#ACA646
- #ACA646
- Yellow
- Dark
- Nearest: Dark khaki
#ACA646 is a yellow with RGB values 172, 166, 70 and HSL 56°, 42%, 47%. It is a dark colour, so black text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.
Colour values
#ACA646#ACA646
HEX#ACA646
RGBrgb(172, 166, 70)
RGB (0–1)0.6745, 0.651, 0.2745
RGB percentages67.5%, 65.1%, 27.5%
HSLhsl(56.5, 42.1%, 47.5%)
HSV / HSBhsv(56.5, 59.3%, 67.5%)
CMYK0%, 3.5%, 59.3%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,314,758
CSS custom property--colour: #ACA646;
Brightness & contrast
Relative luminance0.36485WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.3:1
Contrast with white2.53:1WCAG normal text: Fail
Contrast with black8.3:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#5359B9
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.53:1WCAG large text: Fail
Contrast with black, large text8.3:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#464CAC
Analogous#AC7346, #7FAC46
Triadic#46ACA6, #A646AC
Split complementary#467FAC, #7346AC
Tetradic#46AC73, #464CAC, #AC467F
Tints, shades & saturation
Channel breakdown
R172
G166
B70
Red172 (67.5%)
Green166 (65.1%)
Blue70 (27.5%)
Hue56.47°
Saturation (HSL)42.15%
Lightness47.45%
Dominant channelRed
Hex per channelR AC · G A6 · B 46
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