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Colour

#ACA040

  • #ACA040
  • Yellow
  • Dark
  • Nearest: Dark khaki

#ACA040 is a yellow with RGB values 172, 160, 64 and HSL 53°, 46%, 46%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.

Colour values

#ACA040#ACA040
HEX#ACA040
RGBrgb(172, 160, 64)
RGB (0–1)0.6745, 0.6275, 0.251
RGB percentages67.5%, 62.7%, 25.1%
HSLhsl(53.3, 45.8%, 46.3%)
HSV / HSBhsv(53.3, 62.8%, 67.5%)
CMYK0%, 7%, 62.8%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,313,216
CSS custom property--colour: #ACA040;

Brightness & contrast

Relative luminance0.34282WCAG 2.x, 0 is black and 1 is white
Perceived brightness156 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.86:1
Contrast with white2.67:1WCAG normal text: Fail
Contrast with black7.86:1WCAG normal text: AAA
Greyscale equivalent#9C9C9C
Inverted#535FBF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AE9B35no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#B1A145no green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#B8958Cno blue cones; rare, and affects men and women equally; ΔE 44.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.67:1WCAG large text: Fail
Contrast with black, large text7.86:1WCAG large text: AAA

Named colours

Dark khaki · ΔE 13.7Olive · ΔE 15.8Dark goldenrod · ΔE 22.3Olivedrab · ΔE 23.2Goldenrod · ΔE 25.2Khaki · ΔE 25.7
Nearest named CSS colourDark khaki (#BDB76B)ΔE 13.67, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#404CAC
Analogous#AC6A40, #82AC40
Triadic#40ACA0, #A040AC
Split complementary#4082AC, #6A40AC
Tetradic#40AC6A, #404CAC, #AC4082

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECE8CC
Lighter +30%#DED8A7
Lighter +20%#D0C882
Lighter +10%#C3B75C
Darker −10%#877D32
Darker −20%#625B24
Darker −30%#3C3817
Darker −40%#171609
More saturated +25%#CAB722
Less saturated −25%#8F895E

Channel breakdown

R172
G160
B64
Red172 (67.5%)
Green160 (62.7%)
Blue64 (25.1%)
Hue53.33°
Saturation (HSL)45.76%
Lightness46.27%
Dominant channelRed
Hex per channelR AC · G A0 · B 40

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Every value on this page was computed from “aca040” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.