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Recognised as Colour

#A38B04

  • #A38B04
  • Yellow
  • Dark
  • Nearest: Dark goldenrod

#A38B04 is a yellow with RGB values 163, 139, 4 and HSL 51°, 95%, 33%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#A38B04#A38B04
HEX#A38B04
RGBrgb(163, 139, 4)
RGB (0–1)0.6392, 0.5451, 0.0157
RGB percentages63.9%, 54.5%, 1.6%
HSLhsl(50.9, 95.2%, 32.7%)
HSV / HSBhsv(50.9, 97.5%, 63.9%)
CMYK0%, 14.7%, 97.5%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,717,956
CSS custom property--colour: #A38B04;

Brightness & contrast

Relative luminance0.26261WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.25:1
Contrast with white3.36:1WCAG normal text: Fail
Contrast with black6.25:1WCAG normal text: AA
Greyscale equivalent#868686
Inverted#5C74FB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9B8800no red cones; affects about 1% of men; ΔE 2.8 from the original
Deuteranopia#A18F16no green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#B17F76no blue cones; rare, and affects men and women equally; ΔE 53.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.36:1WCAG large text: AA
Contrast with black, large text6.25:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 12.5Olive · ΔE 13.3Goldenrod · ΔE 18Dark khaki · ΔE 28.1Peru · ΔE 28.1Olivedrab · ΔE 28.7
Nearest named CSS colourDark goldenrod (#B8860B)ΔE 12.5, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#041CA3
Analogous#A33B04, #6CA304
Triadic#04A38B, #8B04A3
Split complementary#046CA3, #3B04A3
Tetradic#04A33B, #041CA3, #A3046B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCE877
Lighter +30%#FADF46
Lighter +20%#F9D714
Lighter +10%#D5B505
Darker −10%#716103
Darker −20%#3F3602
Darker −30%#0E0C00
Darker −40%#000000
More saturated +25%#A78E00
Less saturated −25%#8E7C19

Channel breakdown

R163
G139
B4
Red163 (63.9%)
Green139 (54.5%)
Blue4 (1.6%)
Hue50.94°
Saturation (HSL)95.21%
Lightness32.75%
Dominant channelRed
Hex per channelR A3 · G 8B · B 04

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Every value on this page was computed from “a38b04” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.