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Colour

#64591C

  • #64591C
  • Yellow
  • Dark
  • Nearest: Dark olivegreen

#64591C is a yellow with RGB values 100, 89, 28 and HSL 51°, 56%, 25%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#64591C#64591C
HEX#64591C
RGBrgb(100, 89, 28)
RGB (0–1)0.3922, 0.349, 0.1098
RGB percentages39.2%, 34.9%, 11%
HSLhsl(50.8, 56.3%, 25.1%)
HSV / HSBhsv(50.8, 72%, 39.2%)
CMYK0%, 11%, 72%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,576,412
CSS custom property--colour: #64591C;

Brightness & contrast

Relative luminance0.09938WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.03:1
Contrast with white7.03:1WCAG normal text: AAA
Contrast with black2.99:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#9BA6E3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#625714no red cones; affects about 1% of men; ΔE 2.7 from the original
Deuteranopia#655B1Fno green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#6C524Cno blue cones; rare, and affects men and women equally; ΔE 30.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.03:1WCAG large text: AAA
Contrast with black, large text2.99:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 16.8Olive · ΔE 27.2Saddle brown · ΔE 30.3Olivedrab · ΔE 33.2Sienna · ΔE 33.3Dark khaki · ΔE 36.3
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 16.81, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1C2764
Analogous#64351C, #4B641C
Triadic#1C6459, #591C64
Split complementary#1C4B64, #351C64
Tetradic#1C6435, #1C2764, #641C4B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8C974
Lighter +30%#CDB94C
Lighter +20%#B4A032
Lighter +10%#8C7C27
Darker −10%#3C3611
Darker −20%#141206
Darker −30%#000000
Darker −40%#000000
More saturated +25%#74640C
Less saturated −25%#544E2C

Channel breakdown

R100
G89
B28
Red100 (39.2%)
Green89 (34.9%)
Blue28 (11%)
Hue50.83°
Saturation (HSL)56.25%
Lightness25.1%
Dominant channelRed
Hex per channelR 64 · G 59 · B 1C

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Every value on this page was computed from “64591c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.