Colour

#ACA600

#ACA600
Yellow
Dark
Nearest: Olive

#ACA600 is a yellow with RGB values 172, 166, 0 and HSL 58°, 100%, 34%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Olive.

Colour values

#ACA600#ACA600

HEX#ACA600

RGBrgb(172, 166, 0)

RGB (0–1)0.6745, 0.651, 0

RGB percentages67.5%, 65.1%, 0%

HSLhsl(57.9, 100%, 33.7%)

HSV / HSBhsv(57.9, 100%, 67.5%)

CMYK0%, 3.5%, 100%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,314,688

CSS custom property--colour: #ACA600;

Brightness & contrast

Relative luminance0.36043WCAG 2.x, 0 is black and 1 is white

Perceived brightness158.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.21:1

Contrast with white2.56:1WCAG normal text: Fail

Contrast with black8.21:1WCAG normal text: AAA

Greyscale equivalent#9B9B9B

Inverted#5359FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B59F00no red cones; affects about 1% of men; ΔE 7.8 from the original

Deuteranopia#B8A41Cno green cones; the most common form, about 1% of men; ΔE 7.9 from the original

Tritanopia#BA9A8Dno blue cones; rare, and affects men and women equally; ΔE 62.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.56:1WCAG large text: Fail

Contrast with black, large text8.21:1WCAG large text: AAA

Named colours

Olive · ΔE 19.2 Goldenrod · ΔE 21.9 Dark goldenrod · ΔE 24.8 Yellow green · ΔE 27.1 Olivedrab · ΔE 27.4 Gold · ΔE 29.4

Nearest named CSS colourOlive (#808000)ΔE 19.25, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#0006AC

Analogous#AC5000, #5CAC00

Triadic#00ACA6, #A600AC

Split complementary#005CAC, #5000AC

Tetradic#00AC50, #0006AC, #AC005C

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFA79

Lighter +30%#FFF946

Lighter +20%#FFF713

Lighter +10%#DFD700

Darker −10%#797500

Darker −20%#464400

Darker −30%#131200

Darker −40%#000000

More saturated +25%#ACA600

Less saturated −25%#979216

Channel breakdown

R172

G166

Red172 (67.5%)

Green166 (65.1%)

Blue0 (0%)

Hue57.91°

Saturation (HSL)100%

Lightness33.73%

Dominant channelRed

Hex per channelR AC · G A6 · B 00

Keep nerding

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#ACA600

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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