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Recognised as Colour

#ACA022

  • #ACA022
  • Yellow
  • Dark
  • Nearest: Olive

#ACA022 is a yellow with RGB values 172, 160, 34 and HSL 55°, 67%, 40%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Olive.

Colour values

#ACA022#ACA022
HEX#ACA022
RGBrgb(172, 160, 34)
RGB (0–1)0.6745, 0.6275, 0.1333
RGB percentages67.5%, 62.7%, 13.3%
HSLhsl(54.8, 67%, 40.4%)
HSV / HSBhsv(54.8, 80.2%, 67.5%)
CMYK0%, 7%, 80.2%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,313,186
CSS custom property--colour: #ACA022;

Brightness & contrast

Relative luminance0.34028WCAG 2.x, 0 is black and 1 is white
Perceived brightness154.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.81:1
Contrast with white2.69:1WCAG normal text: Fail
Contrast with black7.81:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#535FDD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AF9A00no red cones; affects about 1% of men; ΔE 7 from the original
Deuteranopia#B3A02Dno green cones; the most common form, about 1% of men; ΔE 4.6 from the original
Tritanopia#BA9489no blue cones; rare, and affects men and women equally; ΔE 54.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.69:1WCAG large text: Fail
Contrast with black, large text7.81:1WCAG large text: AAA

Named colours

Olive · ΔE 14.5Dark goldenrod · ΔE 19.9Goldenrod · ΔE 20Dark khaki · ΔE 23.7Olivedrab · ΔE 24.7Khaki · ΔE 30.2
Nearest named CSS colourOlive (#808000)ΔE 14.46, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#222EAC
Analogous#AC5B22, #73AC22
Triadic#22ACA0, #A022AC
Split complementary#2273AC, #5B22AC
Tetradic#22AC5B, #222EAC, #AC2273

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEE9AC
Lighter +30%#E6DD81
Lighter +20%#DED256
Lighter +10%#D5C72C
Darker −10%#81781A
Darker −20%#575111
Darker −30%#2C2909
Darker −40%#020200
More saturated +25%#C6B508
Less saturated −25%#928B3C

Channel breakdown

R172
G160
B34
Red172 (67.5%)
Green160 (62.7%)
Blue34 (13.3%)
Hue54.78°
Saturation (HSL)66.99%
Lightness40.39%
Dominant channelRed
Hex per channelR AC · G A0 · B 22

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Every value on this page was computed from “aca022” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.