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Recognised as Colour

#A4AC24

  • #A4AC24
  • Yellow
  • Dark
  • Nearest: Olive

#A4AC24 is a yellow with RGB values 164, 172, 36 and HSL 64°, 65%, 41%. It is a dark colour, so black text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Olive.

Colour values

#A4AC24#A4AC24
HEX#A4AC24
RGBrgb(164, 172, 36)
RGB (0–1)0.6431, 0.6745, 0.1412
RGB percentages64.3%, 67.5%, 14.1%
HSLhsl(63.5, 65.4%, 40.8%)
HSV / HSBhsv(63.5, 79.1%, 67.5%)
CMYK4.7%, 0%, 79.1%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,791,972
CSS custom property--colour: #A4AC24;

Brightness & contrast

Relative luminance0.37525WCAG 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 8.5:1
Contrast with white2.47:1WCAG normal text: Fail
Contrast with black8.5:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#5B53DB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B9A300no red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#B9A631no green cones; the most common form, about 1% of men; ΔE 13.3 from the original
Tritanopia#AFA193no blue cones; rare, and affects men and women equally; ΔE 58 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.47:1WCAG large text: Fail
Contrast with black, large text8.5:1WCAG large text: AAA

Named colours

Olive · ΔE 18Olivedrab · ΔE 20.9Yellow green · ΔE 21.5Dark khaki · ΔE 26.3Goldenrod · ΔE 28.1Dark goldenrod · ΔE 29.9
Nearest named CSS colourOlive (#808000)ΔE 17.98, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2C24AC
Analogous#AC7024, #60AC24
Triadic#24A4AC, #AC24A4
Split complementary#2460AC, #7024AC
Tetradic#24AC70, #2C24AC, #AC2460

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAEEAE
Lighter +30%#DFE584
Lighter +20%#D5DC5A
Lighter +10%#CAD42F
Darker −10%#7C821B
Darker −20%#545812
Darker −30%#2B2D0A
Darker −40%#030301
More saturated +25%#BBC60A
Less saturated −25%#8D923E

Channel breakdown

R164
G172
B36
Red164 (64.3%)
Green172 (67.5%)
Blue36 (14.1%)
Hue63.53°
Saturation (HSL)65.38%
Lightness40.78%
Dominant channelGreen
Hex per channelR A4 · G AC · B 24

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Every value on this page was computed from “a4ac24” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.