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Colour

#A18F1C

  • #A18F1C
  • Yellow
  • Dark
  • Nearest: Olive

#A18F1C is a yellow with RGB values 161, 143, 28 and HSL 52°, 70%, 37%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Olive.

Colour values

#A18F1C#A18F1C
HEX#A18F1C
RGBrgb(161, 143, 28)
RGB (0–1)0.6314, 0.5608, 0.1098
RGB percentages63.1%, 56.1%, 11%
HSLhsl(51.9, 70.4%, 37.1%)
HSV / HSBhsv(51.9, 82.6%, 63.1%)
CMYK0%, 11.2%, 82.6%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,587,932
CSS custom property--colour: #A18F1C;

Brightness & contrast

Relative luminance0.27306WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.46:1
Contrast with white3.25:1WCAG normal text: Fail
Contrast with black6.46:1WCAG normal text: AA
Greyscale equivalent#8B8B8B
Inverted#5E70E3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9E8B00no red cones; affects about 1% of men; ΔE 4.6 from the original
Deuteranopia#A39125no green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#AE847Ano blue cones; rare, and affects men and women equally; ΔE 50.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.25:1WCAG large text: AA
Contrast with black, large text6.46:1WCAG large text: AAA

Named colours

Olive · ΔE 10.8Dark goldenrod · ΔE 15.8Goldenrod · ΔE 21Dark khaki · ΔE 23.6Olivedrab · ΔE 24.9Peru · ΔE 28.5
Nearest named CSS colourOlive (#808000)ΔE 10.77, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1C2EA1
Analogous#A14C1C, #70A11C
Triadic#1CA18F, #8F1CA1
Split complementary#1C70A1, #4C1CA1
Tetradic#1CA14D, #1C2EA1, #A11C71

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEE39B
Lighter +30%#E6D670
Lighter +20%#DFCA44
Lighter +10%#CCB624
Darker −10%#766814
Darker −20%#4A420D
Darker −30%#1F1B05
Darker −40%#000000
More saturated +25%#B9A004
Less saturated −25%#897E34

Channel breakdown

R161
G143
B28
Red161 (63.1%)
Green143 (56.1%)
Blue28 (11%)
Hue51.88°
Saturation (HSL)70.37%
Lightness37.06%
Dominant channelRed
Hex per channelR A1 · G 8F · B 1C

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Every value on this page was computed from “a18f1c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.