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Recognised as Colour

#A28B05

  • #A28B05
  • Yellow
  • Dark
  • Nearest: Olive

#A28B05 is a yellow with RGB values 162, 139, 5 and HSL 51°, 94%, 33%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Olive.

Colour values

#A28B05#A28B05
HEX#A28B05
RGBrgb(162, 139, 5)
RGB (0–1)0.6353, 0.5451, 0.0196
RGB percentages63.5%, 54.5%, 2%
HSLhsl(51.2, 94%, 32.7%)
HSV / HSBhsv(51.2, 96.9%, 63.5%)
CMYK0%, 14.2%, 96.9%, 36.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,652,421
CSS custom property--colour: #A28B05;

Brightness & contrast

Relative luminance0.26158WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.23:1
Contrast with white3.37:1WCAG normal text: Fail
Contrast with black6.23:1WCAG normal text: AA
Greyscale equivalent#868686
Inverted#5D74FA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9B8800no red cones; affects about 1% of men; ΔE 2.3 from the original
Deuteranopia#A18F16no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#B07F76no 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 text3.37:1WCAG large text: AA
Contrast with black, large text6.23:1WCAG large text: AAA

Named colours

Olive · ΔE 12.8Dark goldenrod · ΔE 13Goldenrod · ΔE 18.5Dark khaki · ΔE 27.8Olivedrab · ΔE 28.2Peru · ΔE 28.4
Nearest named CSS colourOlive (#808000)ΔE 12.84, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#051CA2
Analogous#A23D05, #6AA205
Triadic#05A28B, #8B05A2
Split complementary#056AA2, #3D05A2
Tetradic#05A23D, #051CA2, #A2056A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBE878
Lighter +30%#F9DF47
Lighter +20%#F8D715
Lighter +10%#D3B507
Darker −10%#716103
Darker −20%#3F3602
Darker −30%#0E0C00
Darker −40%#000000
More saturated +25%#A78F00
Less saturated −25%#8D7C1A

Channel breakdown

R162
G139
B5
Red162 (63.5%)
Green139 (54.5%)
Blue5 (2%)
Hue51.21°
Saturation (HSL)94.01%
Lightness32.75%
Dominant channelRed
Hex per channelR A2 · G 8B · B 05

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Every value on this page was computed from “a28b05” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.