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Recognised as Colour

#584B09

  • #584B09
  • Yellow
  • Dark
  • Nearest: Dark olivegreen

#584B09 is a yellow with RGB values 88, 75, 9 and HSL 50°, 81%, 19%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#584B09#584B09
HEX#584B09
RGBrgb(88, 75, 9)
RGB (0–1)0.3451, 0.2941, 0.0353
RGB percentages34.5%, 29.4%, 3.5%
HSLhsl(50.1, 81.4%, 19%)
HSV / HSBhsv(50.1, 89.8%, 34.5%)
CMYK0%, 14.8%, 89.8%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,786,377
CSS custom property--colour: #584B09;

Brightness & contrast

Relative luminance0.07127WCAG 2.x, 0 is black and 1 is white
Perceived brightness75 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.66:1
Contrast with white8.66:1WCAG normal text: AAA
Contrast with black2.43:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#A7B4F6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#544900no red cones; affects about 1% of men; ΔE 2.8 from the original
Deuteranopia#574D0Eno green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#60443Fno blue cones; rare, and affects men and women equally; ΔE 32.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.66:1WCAG large text: AAA
Contrast with black, large text2.43:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 20.9Saddle brown · ΔE 29.1Olive · ΔE 29.8Sienna · ΔE 33.4Olivedrab · ΔE 36.8Dark goldenrod · ΔE 39
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 20.87, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#091658
Analogous#582409, #3D5809
Triadic#09584B, #4B0958
Split complementary#093D58, #240958
Tetradic#095824, #091658, #58093D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECD041
Lighter +30%#E3C117
Lighter +20%#B59A12
Lighter +10%#86720E
Darker −10%#2A2404
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#615100
Less saturated −25%#4C4315

Channel breakdown

R88
G75
B9
Red88 (34.5%)
Green75 (29.4%)
Blue9 (3.5%)
Hue50.13°
Saturation (HSL)81.44%
Lightness19.02%
Dominant channelRed
Hex per channelR 58 · G 4B · B 09

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Every value on this page was computed from “584b09” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.