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Colour

#AC9E17

  • #AC9E17
  • Yellow
  • Dark
  • Nearest: Olive

#AC9E17 is a yellow with RGB values 172, 158, 23 and HSL 54°, 76%, 38%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Olive.

Colour values

#AC9E17#AC9E17
HEX#AC9E17
RGBrgb(172, 158, 23)
RGB (0–1)0.6745, 0.6196, 0.0902
RGB percentages67.5%, 62%, 9%
HSLhsl(54.4, 76.4%, 38.2%)
HSV / HSBhsv(54.4, 86.6%, 67.5%)
CMYK0%, 8.1%, 86.6%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,312,663
CSS custom property--colour: #AC9E17;

Brightness & contrast

Relative luminance0.33286WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.66:1
Contrast with white2.74:1WCAG normal text: Fail
Contrast with black7.66:1WCAG normal text: AAA
Greyscale equivalent#979797
Inverted#5361E8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AE9900no red cones; affects about 1% of men; ΔE 4.5 from the original
Deuteranopia#B29F25no green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#BA9287no blue cones; rare, and affects men and women equally; ΔE 56.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.74:1WCAG large text: Fail
Contrast with black, large text7.66:1WCAG large text: AAA

Named colours

Olive · ΔE 15.1Goldenrod · ΔE 18.7Dark goldenrod · ΔE 19Dark khaki · ΔE 26.2Olivedrab · ΔE 26.2Khaki · ΔE 32.1
Nearest named CSS colourOlive (#808000)ΔE 15.13, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1725AC
Analogous#AC5417, #70AC17
Triadic#17AC9E, #9E17AC
Split complementary#176FAC, #5417AC
Tetradic#17AC54, #1725AC, #AC176F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2EA9D
Lighter +30%#ECE070
Lighter +20%#E6D743
Lighter +10%#D9C71D
Darker −10%#7F7511
Darker −20%#524B0B
Darker −30%#252205
Darker −40%#000000
More saturated +25%#C3B100
Less saturated −25%#948A2F

Channel breakdown

R172
G158
B23
Red172 (67.5%)
Green158 (62%)
Blue23 (9%)
Hue54.36°
Saturation (HSL)76.41%
Lightness38.24%
Dominant channelRed
Hex per channelR AC · G 9E · B 17

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Every value on this page was computed from “ac9e17” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.